128 tankless water heater on offer(Disclaimer)
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➤ Last checked on 11.10.2026
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31% discount
MIZUDO 120,000 BTU Propane Tankless Water Heater Max 5.1 GPM,WiFi&APP
[Flexible Indoor&Outdoor Installation Solution]: Mizudo innovative propane tankless water heater offers versatile installation options to meet various home configurations. Convert from indoor to outdoor use with accessory kits (Purchase Required), providing homeowners unprecedented flexibility for space utilization
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26% discount
Furrion Tankless Gas Water Heater, White, 2.4 GPM, 60,000 BTU, Antifreeze Protection, Propane w/Electric Ignition, Wall Thermostat, Retrofit RV Water Heater Upgrade, Safety Shutoff – FWH09AFA-AM
INSTANT HOT WATER — 2.4 gallons of hot water delivered to your RV faucets per minute and 60,000 BTU means your tankless hot water heater will keep up with the demands of a busy family
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25% discount
Waterdrop KJ600 Instant Hot Reverse Osmosis System, 600 GPD, Tankless RO
[First-to-market RO system with heating function] The KJ600 instant hot water dispenser reverse osmosis system can dispense both cold water and hot water to meet your different demands. Adjust the temperature as you wish in the range of 104°F-203°F. 5-stage deep filtration, can effectively reduce TDS, chromium, PFAS, fluoride, microplastics, arsenic, salt, heavy metals, nitrate, particles, chloride and other harmful substances
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23% discount
GASLAND Gasmart E 199,000 BTU Tankless Water Heater, Up to 7.6 GPM, CSA Certified Whole House Natural Gas Indoor Installation Residential On-demand Instant Hot Water Heater, CE686NG
Unlimited Hot Water On Demand -- Unlike traditional tank water heaters, our tankless gas water heater provides unlimited hot water whenever you need it. No more waiting for the water to reheat — enjoy continuous hot water for showers, laundry, or washing dishes without interruption.Certified by CSA and equipped with multiple safety features, it meets the highest safety standards for reliable operation.
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23% discount
Westinghouse Tankless Water Heater Gas Indoor, 7.9 GPM, 180,000 BTU
【On-Demand Efficiency】 Westinghouse tankless water heater works only needed, saving energy and costs. Compact yet powerful for whole-home or commercial use. LED display shows temperature, working state and error codes
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21% discount
Rinnai RUCS75iN Tankless Hot Water Heater, Natural Gas
Endless Hot Water: Our tankless hot water heaters let you enjoy unlimited hot water flow throughout the house with a compact and durable design that fits your home and lifestyle
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21% discount
MIZUDO Natural Gas Tankless Water Heater, 199,000 BTU, Indoor
[Professional 199k BTU Tankless Water Heater]: Experience uninterrupted hot water delivery with 10.3 GPM flow capacity, designed to support large households with 5-7 fixtures simultaneously, providing hot water only when needed, making it an economically smart choice
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19% discount
Rheem RTG Series 7.0 GPM Natural Gas Tankless Water Heater Indoor | 160,000 BTUs High Efficiency On Demand, Continuous Hot Water | Non-Condensing
High-efficiency tankless gas water heater delivers up to 7.0 GPM, perfect for 2–3 bathroom homes with multiple hot water needs like showers and laundry.
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17% discount
APUS Natural Gas Tankless Water Heater, 95,000 BTU, 4.42 GPM Indoor
Powerful & High-Capacity: This high-performance gas tankless water heater delivers 95,000 BTU heating capacity with 4.42GPM high flow rate, featuring innovative 0.66GPM low-flow start technology. As a versatile natural gas tankless water heater, it meets simultaneous hot water demands for 2 showers plus 1 sink while maintaining stable temperatures even during peak usage.
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17% discount
Ranein Gen II Natural Gas Tankless Water Heater, 3.6 GPM, 80,000 BTU
Endless Hot Water for Home Multi-Scenes: Boasts a max 3.6 GPM and 80,000 BTU for 2–3 taps (shower + kitchen sink + bar)—no more hot water shortages for daily household use.
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17% discount
SNDOAS Tankless Water Heater Natural Gas, Up to 4.75 GPM 102,000 BTU, ±1°F Precise Temperature, Anti-Freeze Protection, Oxygen-Free Copper Heat Exchanger, Ultra Quiet, Indoor Whole House
【Endless Hot Water for Simultaneous Use】Meet the high-demand hot water needs of your entire household. With a powerful 102,000 BTU burner and a high flow rate of 4.75 GPM (18 L/min), this natural gas tankless water heater delivers a continuous supply of instant hot water. It’s engineered to comfortably support multiple points of use at the same time, such as running a shower while using the kitchen sink, without any drop in temperature or pressure
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19% discount
MIZUDO 120,000 BTU Natural Gas Tankless Water Heater,Max 5.1 GPM,WiFi&APP
[Flexible Indoor&Outdoor Installation Solution]: Mizudo innovative natural gas tankless water heater indoor offers versatile installation options to meet various home configurations. Convert from indoor to outdoor use with accessory kits (Purchase Required), providing homeowners unprecedented flexibility for space utilization
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17% discount
SNDOAS Tankless Water Heater Natural Gas, Up to 4.75 GPM 102,000 BTU, ±1°F Precise Temperature, Anti-Freeze Protection, Oxygen-Free Copper Heat Exchanger, Ultra Quiet, Indoor Whole House
【Powerful & Instant Hot Water On Demand】Experience endless hot water for your entire home with this 4.75 GPM gas tankless water heater. Its high 102,000 BTU output delivers a consistent 18L/min flow, providing instant hot water heater performance for simultaneous showers and kitchen use
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15% discount
Ranein 13kW Tankless Electric Water Heater, Max 3.1 GPM, 240V, LED Display
Important – Check Electrical Requirements: This 13 kW tankless electric water heater operates on 240V and requires 1 × 60A circuit breaker for proper installation. Unit dimensions: 10.7" × 7.9" × 2.8". Water connection: 1/2" NPT. The wiring design allows installation without removing the housing, making setup faster and more convenient.
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15% discount
Electrolux 14kW Wifi Tankless Water Heater Electric 240V, Max 3.4 GPM
Note: Things to know before buying, Our tankless water heater electric 14kw requires 1 x 240V/60A two-pole breaker, 1 set of 6 AWG wires and 1/2" NPT water connections. Please ensure that the total current of the household circuit breaker panel is greater than or equal to 150 amps. Otherwise, it may affect the normal operation of the equipment. Especially if other high-power appliances are also being used in the household circuit.
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15% discount
Westinghouse Tankless Water Heater Electric 18kW 240V Wifi Whole House Use
Specs at a Glance: 18kW / 240V / 75A / 0.5-4.2 GPM / 3/4" NPT connections; Temperature Range 86-140°F(30-60°C); Dimensions: 18.7"×3.94"×14.17" ; Amperage Draw: 75 A — professional installation recommended; Special Features: energy efficient
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15% discount
Westinghouse 6.5kW Tankless Water Heater Electric, 240V, Smart WiFi Control
INSTANT HOT WATER FOR YOUR SINK: This Westinghouse 6.5kW electric tankless water heater is designed as a point-of-use solution, delivering endless hot water instantly for a single kitchen sink or bathroom vanity. End cold-water waits for handwashing, dish rinsing, and cleaning.
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14% discount
APUS RV Tankless Water Heater, Propane, 68,000 BTU, Black Door, 3.9 GPM
Instant Hot Water Supply: Experience the luxury of endless hot water with our RV water heater. With a powerful 68,000 BTU output, it delivers 3.9 GPM of hot water per minute, ensuring you never run out during daily washing, kitchen cleaning, or a long comfortable shower. Unlike traditional tank heaters, there's no waiting time—hot water is available on demand, whenever you need it.
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13% discount
Rheem RTGH Series 9.5 GPM Liquid Propane Tankless Water Heater Indoor | 199,900 BTUs Super High Efficiency On Demand, Continuous Hot Water | Condensing Ultra-Low Nox
Flow rate of 0.4 - 9.5 GPM
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13% discount
14kW Tankless Water Heater Electric ORBEK On Demand Heater 240V 3.38GPM
Note: Please ensure the household circuit breaker panel has a total current capacity of at least 150 amps. Our Orbek tankless water heater electric 14kw requires a 240V/60AMP two-pole breaker, 1 set of 6 AWG wires and 1/2" NPT water connections.
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13% discount
CAMPLUX Nano 3 Ultra, Constant Temperature Portable Propane Water Heater, Rechargeable Water Heater & Shower Pump, CSA Certified Safety, Propane Camping Shower, for RVs, Hiking, Fishing & Glamping
CAMPLUX ENJOY OUTDOOR LIFE
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12% discount
VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches Black Door and Remote Controller, Ideal for RVers' Family Everyday Use
Rapid Instant Heating: The RV water heater offers 42,000 BTU of high power, delivering hot water quickly to meet your needs for showering, dishwashing, and more.
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11% discount
APUS Propane Tankless Water Heater, 140,000 BTU, Up to 6.8 GPM, Indoor
Instant Hot Water: This upgraded smart propane tankless water heater delivers consistent performance with its 140,000 BTU burner and durable oxygen-free copper heat exchanger. With the latest intelligent heating technology, it provides hot water in just 1 second, giving you instant comfort without the wait
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11% discount
Mount Steel Electric Tankless Water Heater, 12kW–18kW Adjustable, 240V, Configurable Power, Self-Modulating Point-of-use Hot Water Heater, Stable Temperature, 99% Thermal Efficiency
Adjustable Peak Power: Mount Steel Pioneer water heaters support various power configurations that can adapt to your heating needs & what your home's electric panel can support
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11% discount
VEVOR Tankless Water Heater Propane, 5.3Gal Instant Water Heater, 100000 BTU, Silver Gray, Smart Temperature Control, Multiple Security Protections, Outdoor Use for Whole House
VEVOR
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11% discount
APUS Natural Gas Tankless Water Heater, 140,000 BTU, Up to 6.8 GPM, Indoor
Instant Hot Water: This upgraded smart natural gas tankless water heater delivers consistent performance with its 140,000 BTU burner and durable oxygen-free copper heat exchanger. With the latest intelligent heating technology, it provides hot water in just 1 second, giving you instant comfort without the wait.
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9% discount
18kW Tankless Water Heater Electric, NOVIEEX 240V 3s Instant Hot Water Heater, Flow Rate Max 4.9 GPM, Supply for 2-3 Points, Indoor Installation, Ideal for Apartment, Garage, Salon, Bathroom, Kitchen
【HIGH-POWER 18kW PERFORMANCE】 Built for demanding hot water needs, this 18kW tankless water heater delivers high-power heating performance at 240V, with a maximum current of 75A. It requires 2 × 40A double-pole circuit breakers and 2 sets of 8 AWG wires with a ground wire. The unit measures 11.14" (W) × 15.86" (H) × 3.18" (D) and features 3/4" NPT water connections. Please consult a qualified electrician and verify that your electrical system meets the requirements before purchasing.
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10% discount
27kW Tankless Water Heater Electric, 240V Instant Hot Water Heater Electric
Note: MIZUDO 27kw 240V tankless water heater electric requires 3 pcs of 40 AMP two-pole breakers, 3 sets of 8 AWG wires and 3/4" NPT water connections. With a compact size of 17.05"H x 12.91"L x 3.58"W, our electric hot water heater saves over 50% of space compared to traditional tank water heaters, fitting easily into most corners of your home.
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7% discount
Electrolux Electric Tank Water Heater 4 Gal Mini, 120V Plug-in Under Sink
PREMIUM GLASS-LINED TANK AND HEATING EFFICIENCY – Electrolux Electric Tank Water Heater features a premium glass-lined tank and robust heating element that resists scale and corrosion. High-density foam insulation minimizes heat loss and maximizes energy savings.
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7% discount
14kW Tankless Water Heater Electric, ThermoMate 240 Volt Instant On-Demand Hot Water Heater with Touch Control, Max 3.4 GPM Self-Modulating, ETL Certified for Residential Indoor
Electrical & Installation Requirements: Before purchasing, please ensure your home's main panel has a total electrical capacity of at least 150 Amps. This 14kW unit requires a dedicated 60 Amp double-pole circuit breaker, 1 set of 6 AWG copper wires, and standard 1/2" NPT water connections for proper installation
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7% discount
VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches White Door and Remote Controller, Ideal for RVers' Family Everyday Use (Propane)
Rapid Instant Heating: The RV water heater offers 42,000 BTU of high power, delivering hot water quickly to meet your needs for showering, dishwashing, and more.
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Eemax EEM24013 Electric Tankless Water Heater, Blue
Tank less water heaters provide a continuous Supply of hot water and only heats the water you need, when you need it
free delivery
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Rheem 8kW Multi Fixture Tankless Electric Water Heater - 240V
ON/OFF Dial Control with adjustable digital temperature display
free delivery
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5% discount
Opti27 opti 27kW 240V 4.5GPM 25-Year Warranty Electric Tankless Water Heater
Save up to 50% on your water heating costs
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EcoSmart ECO 8 Tankless Water Heater, Electric, 8-kW - Quantity 1, 12 x 8 x 4
The product is highly durable
free delivery
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Rheem RTEX-27 240V 3 Heating Chambers Residential Tankless Water Heater
External digital thermostatic control with LED display (+/1 degree accuracy)
free delivery
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Eemax HA008240 240V 8.0 kW Electric Tankless Water Heater Gray
MN: HA008240
free delivery
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Rinnai V53DeP Propane Tankless Water Heater
Endless Hot Water For Every Need: Enjoy the convenience of our tankless hot water heater with a 5.3 GPM flow rate, delivering unlimited hot water to multiple appliances for your busy household
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Marey Tankless Water Heater Gas, 7.5 GPM, 170,000 BTU, Liquid Propane, CSA Certified, Indoor
Efficient Performance, Smart Design: Our advanced technology ensures high efficiency and long-lasting durability, boasting a powerful 170,000 BTU capacity. Its user-friendly display allows for dynamic power adjustment tailored to your specific needs.
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Rheem RTEX-06T, 6.5kw Professional Classic 240V Point of Use Thermostatic Tankless Electric Water Heater
Endless On-Demand Hot Water - Consistent hot water when you need it that never runs out
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CAMPLUX 2.64 GPM Propane Portable Gas WaterHeater, 68,000 BTU Outdoor Tankless CampingWater Heater with Digital Display, White,BW264
CSA Safety Standard-CSA safety standard approved tankless propane water heater,flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 3.6-110 PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. The propane hot water heater will shut off automatically when high water temperature protection over 176 °F.
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Rinnai CX199iN SENSEI CX Commercial Tankless Water Heater 199,000 BTU
One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
free delivery
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Stiebel Eltron Tempra 29 Plus Electric Tankless Water Heater, 28.8kW, 240V
On demand a continuous and unlimited supply of hot water
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CAMPLUX Tankless Water Heater Propane, 2.64GPM Portable Water Heater for Off Grid, Camping,BW264, White
This refurbished product is tested and certified to work properly. The product will have minor blemishes and/or light scratches. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, and may arrive in a generic box.
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EcoSmart ECOS 18 Tankless Electric Water Heater, 18 Kw at 240 Volts, 75 Amps with Patented Self Modulating Technology
Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperaturetemperature
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Noritz NR50ODNG Outdoor Tankless Water Heater, max. 120,000 Btuh, 5.0 Gpm - Natural Gas
Endless hot water
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Ranein Propane Gas Tankless Water Heater, 4.3 GPM, 100,000 BTU, Indoor
Powerful On-Demand Heating: 100,000 BTU & 4.3 GPM for this tankless water heater propane, supports 3-4 water points simultaneously, delivers endless propane hot water on demand with no waiting.
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Stiebel Eltron Tempra 24 Trend Electric Tankless Water Heater, 24kW, 240V
CONTINOUS FLOW – Hot showers will never be interrupted again. Enjoy continuous, on-demand hot water with an unlimited supply, when you want it without wasting any energy when not needed
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Rheem RTG Series 7.0 GPM Natural Gas Tankless Water Heater Outdoor | 160,000 BTUs High Efficiency On Demand, Continuous Hot Water | Non-Condensing
High-efficiency tankless gas water heater delivers up to 7.0 GPM, perfect for 2–3 bathroom homes with multiple hot water needs like showers and laundry.
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Rinnai RE180iN Non-Condensing Natural Gas Tankless Water Heater
Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
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Ranein Propane Gas Tankless Water Heater, 3.6 GPM, 80,000 BTU, Indoor
Powerful On-Demand Heating: 80,000 BTU & 3.6 GPM for this tankless water heater propane, supports 2-3 water points simultaneously, delivers endless propane hot water on demand with no waiting.
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CAMPLUX Propane Tankless Water Heater, Instant Hot Water Heater, 3.18 GPM On Demand, Propane, Indoor, Black
±2 °F Temperature Control- Benefiting from the calculation and control of the heating power , the temperature difference of the water can be precisely controlled within ±2 °F, no more chilly cold shower
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GE Appliances 18 Gallon Versatile Plug and Play Electric Water Heater with Adjustable Thermostat, Easily Installs Where You Want It, 120 Volt
WHOLE HOME FLEXIBILITY - Can provide hot water to a single hookup, or to a small house, condo, or apartment
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Stiebel Eltron Tempra 29 Trend Electric Tankless Water Heater, 28.8kW, 240V
CONTINOUS FLOW – Hot showers will never be interrupted again. Enjoy continuous, on-demand hot water with an unlimited supply, when you want it without wasting any energy when not needed
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5% discount
CAMPLUX ENJOY OUTDOOR LIFE 1.32 GPM Outdoor Portable Propane Tankless Water Heater with 1.2 GPM Water Pump Kits, Gray
Lightweight, Compact & Portable Design: The 10 pounds lightweight portable water heater's folding handle keeps it out of the way and enables easy setup outside.
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Rheem RTG Series 8.4 GPM Natural Gas Tankless Water Heater Outdoor | 180,000 BTUs High Efficiency On Demand, Continuous Hot Water | Non-Condensing
High-efficiency tankless gas water heater delivers up to 8.4 GPM, perfect for 2–3 bathroom homes with multiple hot water needs like showers and laundry.
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GE Appliances 10 Gallon Versatile Plug and Play Electric Water Heater with Adjustable Thermostat, Easily Installs Where You Want It, 120 Volt
EASY INSTALLATION - Installs in minutes with existing plumbing. Uses standard 3/4-in NPT compatible water connections and connects into any 120-Volt supply
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GE Appliances 2.5 Gallon, Versatile Mini Tank Water Heater with Adjustable Thermostat, Easily Installs Under Sink, 120v, GE02P08BAW
COMPACT DESIGN - Ideal in limited spaces like kitchens, bathrooms, laundry rooms, barns, cabins, RVs, garages, sheds, pet washing station, etc
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Rheem RTGH Series 8.4 GPM Natural Gas Tankless Water Heater Indoor | 157,000 BTUs Super High Efficiency On Demand, Continuous Hot Water | Condensing Ultra-Low Nox
Flow rate of 0.4 - 8.4 GPM
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Rheem RTG Series 8.4 GPM Liquid Propane Tankless Water Heater Oudoor | 180,000 BTUs High Efficiency On Demand, Continuous Hot Water | Non-Condensing
High-efficiency tankless gas water heater delivers up to 8.4 GPM, perfect for 2–3 bathroom homes with multiple hot water needs like showers and laundry.
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GRS Tankless Water Heater Electric with Digital Display 13KW 240V
ENDLESS HOT WATER: Enjoy instant, unlimited hot water with this 240V tankless system. Ideal for showers, kitchens, and more, it delivers efficient on demand heating in a compact design. A smarter choice to traditional electric heaters.
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Rinnai RX160iN Condensing Smart Sense Tankless Water Heater
One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
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Rheem RTG Series 7.0 GPM Liquid Propane Tankless Water Heater Outdoor | 160,000 BTUs High Efficiency On Demand, Continuous Hot Water | Non-Condensing
High-efficiency tankless gas water heater delivers up to 7.0 GPM, perfect for 2–3 bathroom homes with multiple hot water needs like showers and laundry.
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CAMPLUX Tankless Water Heater - 2.64GPM Portable Propane Heater for Off Grid, Camping, Outdoor Shower - 68,000 BTU - BW264G - Gray
Portable Design-More usage scenarios to carry on. Enjoy DIY Outdoor Shower, RV Shower, Camping Shower, Outdoor Pet Shower, RV/SUV/MPV, Beach Bathing Boxes, Campsites, Hunting Cabins, Boats, Kid Pools, or just around your house.
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Rheem RTG Series 7.0 GPM Liquid Propane Tankless Water Heater Indoor | 160,000 BTUs High Efficiency On Demand, Continuous Hot Water | Non-Condensing
High-efficiency tankless gas water heater delivers up to 7.0 GPM, perfect for 2–3 bathroom homes with multiple hot water needs like showers and laundry.
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VEVOR Tankless Water Heater Electric, 18KW 240V Black Instant Water Heater, LCD Touch Screen, Digital Temperature Display, Child Security Lock, On Demand for Bathroom, Kitchen, Shower, Mall, Salon
Energy Efficiency: You're choosing a greener solution for your hot water needs. Forget about preheating! The electric water heater utilizes a 18kw heating system delivers endless hot water in seconds at temperatures ranging from 86-140°F or higher. Before purchasing, please carefully review the product details (voltage, power, additional accessories and parts required, installation information, etc.)
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Fogatti Tankless Water Heater Electric 14kw 240V Max 3.3GPM 2 Point Use ETL
NOTE:Be sure to understand the wire usage requirements first. Fogatti 14kW 240V tankless water heater electric requires 1 x 60 AMP Two-pole Circuit Breaker and 1-set of 6 AWG wires.Water connection 1/2" NPT. Product size 14.3" x 9.6" x 3.5".
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Propane Tankless Water Heater, 4.21GPM 16L Indoor,Constant propane water heater,Instant Hot Propane Gas Water Heater with Fahrenheit Digital Display,Multi-Protection
【Tankless Water Heater】- Propane Tankless Water Heater with Steady Temperature Control & Multiple Safety Protections (Flame Failure Device, Overheating Protection). Only 3.6PSI water pressure required, outputs 4.21 gallons of hot water per minute, maximum temperature raise up to 75°C. Applicable exclusively to Propane (LPG).
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VEVOR Electric Water Heater, 18 Gallon Tank Instant Hot Water Heater, 1.6KW Tankless Water Heater with Knob Control, IPX4 Waterproof Side Connection On Demand Heaters for Shower, Bath
18-Gallon Water Capacity: With a 18-gallon/70L storage capacity, this heater provides ample hot water for family needs, including dishwashing and laundry. Its 1600W high-power heating reduces wait time for hot water at the faucet.
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Rheem RTG Series 9.5 GPM Natural Gas Tankless Water Heater Indoor | 199,900 BTUs High Efficiency On Demand, Continuous Hot Water | Non-Condensing
High-efficiency tankless gas water heater delivers up to 9.5 GPM, perfect for 2–3 bathroom homes with multiple hot water needs like showers and laundry.
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Natural Gas Tankless Water Heater, 4.21GPM 16L Indoor,Constant propane water heater,Instant Hot Natural Gas Water Heater with Fahrenheit Digital Display,Multi-Protection
【Tankless Water Heater】- Natural Gas Tankless Water Heater with Steady Temperature Control & Multiple Safety Protections (Flame Failure Device, Overheating Protection). Only 3.6PSI water pressure required, outputs 4.21 gallons of hot water per minute, maximum temperature raise up to 75°C. Applicable exclusively to Natural Gas (LNG).
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CAMPLUX Tankless Water Heater - 2.64GPMPortable Propane Heater for Off Grid, Camping,Outdoor Shower - 68,000 BTU - BW264B - Black
Portable and Efficient--This portable water heater is a compact design with a powerful 68,000 BTU/hour output. Can enjoy the 2.64GPM instant hot water where to go
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12KW Electric Tankless Water Heater 240V, Self Modulating White Unit
Important Note:things to know before purchasing,this GREATBEAR 12kW tankless water heater electric requires 1 x 60 AMP double pole breaker, 1 set of 6AWG/2 wires with grounding and 1/2" NPT plumbing connections, product dimensions:12"(H)x7.78"(W)x3.94"(D).
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Propane Tankless Water Heater, 4.74 GPM 18L Indoor,Constant propane water heater,Instant Hot Propane Gas Water Heater with Fahrenheit Digital Display,Multi-Protection
【Tankless Water Heater】- Propane Tankless Water Heater with Steady Temperature Control & Multiple Safety Protections (Flame Failure Device, Overheating Protection). Only 3.6PSI water pressure required, outputs 4.74 gallons of hot water per minute, maximum temperature raise up to 75°C. Applicable exclusively to Propane (LPG).
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Rheem IKONIC 10.1 GPM Natural Gas Tankless Water Heater Indoor | 180,000 BTUs Super High Efficiency On Demand, Instant Hot Water | Condensing Ultra-Low Nox | Wifi Enabled | Recirculation
Continuous Hot Water & Comfort When Needed – The Rheem IKONIC RECTGH-SR10iN Super High Efficiency condensing tankless gas water heater with recirculation provides enough immediate hot water for your entire house, even when using multiple applications such as a shower and dishwasher
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Flame King Portable Tankless Water Heater Propane Gas 10L 2.64 GPM at 68,000 BTU, Outdoor Instant Hot Water Shower for RV, Camping, Farm, Cabins
CSA SAFETY APPROVED: Your family is safe with these protection features: auto-cut off water control, automatic ignition, anti-dry combustion protection, over-pressure, overheating, flameout protection, and anti-frozen protection
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APUS Natural Gas Tankless Water Heater, 190,000 BTU, Outdoor
Whole-Home Hot Water: This high-efficiency gas tankless water heater delivers 190,000 BTU and 8.1 gallons per minute of instant hot water, making it the perfect on demand water heater for whole-house use. Our advanced tankless water heater gas system effortlessly supplies 3 showers + 2 faucets simultaneously, while the ultra-low 0.79 GPM minimum flow ensures this hot water heater performs reliably even with weak water pressure
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5% discount
14kW Tankless Water Heater Electric 240V, Sink & Shower,Gray
【PLEASE NOTE BEFORE PURCHASE】Ensure this 14kW 240V tankless electric water heater meets your hot water demand. Requires 1 x 60-amp circuit breaker. Unit dimensions: 15.87"x11.14"x2.87"; standard 1/2" NPT water connection. No need to disassemble the housing for wiring, making installation faster and more convenient.
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ThermoMate Condensing Tankless Water Heater Natural Gas, Up to 5.28 GPM
[Save 15% & Dual Heat Exchanger] - With potential savings of 15% compared to non-condensing units, this condensing tankless water heater delivers outstanding 0.86 UEF efficiency, dramatically reducing energy usage and operational expenses. This performance is made possible by an innovative dual heat exchange system, which combines a corrosion-resistant stainless steel condensing heat exchanger with a highly conductive oxygen-free copper heat exchanger, captures and reuses waste heat that conventional units lose, to maximize heat recovery.
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GEARPASS Propane Gas Tankless Water Heater, 5.3 GPM, 130,000 BTU Indoor
TANKLESS PROPANE WATER HEATER - This propane tankless water heater provides up to 5.3 GPM output and 130,000 BTU heating capacity, supporting simultaneous hot water supply for multiple outlets to meet everyday household needs. Operating water pressure range: 2.9–116 PSI. Designed for Propane (LPG) only.
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Camplux Pro 6L Portable Tankless Water Heater,Mini Sized Outdoor Propane Gas Water Heater with Portable Handle,Propane Gas Water Heater for RV,Campings,Cabins,Barns,White
Compact, Portable & Lightweight Design - Weighs 13 lbs, product size 11.8 x 5.1 x 17.3 inches. Portable water heater tankless comes with handle for easy carrying
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CAMPLUX 2.64 GPM Tankless Propane Water Heater, Portable Water Heater Outdoor with Overheating Protection, for Camping, Cabins, Barns, Easy Installation, 68,000 BTU, BD264
Compact, Light Weight, Portable Design - Size 13.0(W)*7.3(D)*21.7(H) inches, weight 18 lbs. Compact and portable design perfect for barns, cabins, outdoor instant hot water and road trips. With CSA safety certification ensures your and your family's safety
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AIRTHEREAL Electric TANKLESS Water Heater 14KW - Endless ON-Demand HOT Water - SELF MODULATES to Save Energy USE - for 1 Shower EVT-14K
Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. Too bad you don’t have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.
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RV Tankless Water Heater, 61,000 BTU On Demand Instant Propane Gas RV Tankless Hot Water Heater with White Door and Remote, 3.9 GPM, 12V，Multi-Protection for RVers' Everyday Use
【Propane RV Water Heater】- Propane Tankless Water Heater on demand, Each heater activates only when hot water is needed. The efficient heating coils heat water on demand, using roughly 88% less energy than a traditional tank water heater.Just need 3.6PSI of water pressure,3.9gallons of hot water can be output per minute. The maximum temperature raise is 123°F.
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Tankless Water Heater Electric 18kW at 240 Volt, ThermoMate On Demand Instant Hot Water Heater Up to 4.4GMP, Self-Modulating Energy Saving for Residential Indoor Shower, Draw 76Amp
[Instant Unlimited Hot Water] - On demand tankless electric water heater, providing hot water in 3 seconds when you need it and as long as you need, eliminating wait time, never run out of hot water again and No More cold shower. Requires 80Amp breaker (2 Sets of Double-pole 40AMP Breakers)
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FOGATTI Tankless Water Heater Natural Gas Outdoor On Demand CSA Certified
Efficient Tankless Heating: The FOGATTI tankless water heater gas occupies only a third of the size of traditional heaters while delivering five times the performance. With 120,000 BTU and 5.1 GPM flow rate, it provides instant, endless hot water, supporting 2-4 outlets at once, making it perfect for whole house with medium family
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APUS Propane Tankless Water Heater, 95,000 BTU, 4.42 GPM, Indoor
Powerful & High-Capacity: This high-performance propane tankless water heater delivers 95,000 BTU heating capacity with 4.42GPM high flow rate, featuring innovative 0.66GPM low-flow start technology. As a versatile propane tankless water heater, it meets simultaneous hot water demands for 2 showers plus 1 sink while maintaining stable temperatures even during peak usage
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80,000 BTU ORBEK Propane Tankless Water Heater, Up to 3.6 GPM, Indoor
【Endless On-Demand Hot Water】The Orbek tankless water heater propane requires only 0.53 GPM to start, providing a flow rate of up to 3.6 gallons of hot water per minute and 80,000 BTU of heat. It can provide a continuous supply of hot water to 2-3 outlets at the same time, making it suitable as a whole-house water heater or a practical gift for friends and family
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AIRTHEREAL Electric TANKLESS Water Heater 27KW, Endless ON-Demand HOT Water - SELF MODULATES to Save Energy USE - for 3 Showers EVT-27K
Endless Hot Water: Imagine being the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. With the Airthereal Electric Tankless Water Heater, you'll have endless hot water on demand with no preheating required. No more worrying about running out of hot water in the tank or experiencing temperature fluctuations in the middle of your shower.
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WINTEMP 36kW Electric Tankless Water Heater 240V ETL Certified WiFi
Important Note: Please ensure this tankless water heater meets your installation requirements. The WN36 model is rated at 36KW (240V) with a maximum current draw of 150A. It requires 4 x 40 Amp double-pole (DP) breakers and 4 x 8/2 AWG cables with ground. A 300A household power supply is recommended. Unit dimensions: 13.7” (W) x 21.1” (H) x 5.3” (D). Water connection: 3/4" NPT
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5% discount
Midea 18KW Electric Tankless Water Heater, 240V, On-demand Hot Water, White
Instant & Endless Hot Water Flow: With an upgraded 18kW smart heating system, this electric tankless water heater provides instant and continuous hot water on demand.
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FOGATTI Tankless Water Heater Gas Propane Outdoor On Demand CSA Certified
Efficient Tankless Heating: The FOGATTI tankless water heater propane occupies only a third of the size of traditional heaters while delivering five times the performance. With 120,000 BTU and 5.1 GPM flow rate, it provides instant, endless hot water, supporting 2-4 outlets at once, making it perfect for whole house with medium family
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WINTEMP 18kW Electric Tankless Water Heater 240V ETL Certified WiFi
Important Note: Ensure this tankless water heater meets your installation requirements, 150 Amp Household Service Recommended. The WN18 model is rated at 18KW (240V) with a maximum amperage of 75A. It requires 2 x 40 Amp DP breakers and 2 x 8/2 AWG wiring with ground. The unit dimensions are 11.1” (W) x 19.1 ” (H) x 4” (D), the water connection is 3/4" NPT
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ORBEK Tankless Water Heater Natural Gas Indoor, 100K BTU 4.3 GPM,OFC Copper
【Endless On-Demand Hot Water】The Orbek tankless water heater gas indoor delivers 100,000 BTU capacity with 4.3GPM high flow rate, featuring innovative 0.53GPM low-flow start technologyonly. It can provide a continuous supply of hot water to 2-3 outlets at the same time, making it suitable as a whole-house water heater or a practical gift for friends and family
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WINTEMP 14.4kW Electric Tankless Water Heater 240V Up to 3.5 GPM ETL
Important Note: Before purchasing, please ensure this unit meets your installation requirements. The WM15 model is rated at 14.4kW (240V) with a maximum current of 60A. It requires 1 × 60 Amp double-pole breaker and 1 set of 6 AWG wiring for installation, with 1/2" NPT water connections
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5% discount
GASLAND BS318 Outdoor Propane Tankless Water Heater 3.18GPM, 12L Portable Hot Water Heater for Cabin, Barn, Camping, RV, Overheating Protection, Easy to Install, White
3.18GPM/12L Propane Water Heater - Maximum power output 82,000BTU/Hr. The temperature raise is 109.4°F (43°C) at its highest point and 55.4°F (13°C) is at its lowest point of 3.18 GPM. Also, 3.18 gallons of hot water can be produced per minute at the flow rate of 3.18 GPM. Low water pressure start up, just need 3.6 PSI of water pressure to start.
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18kW Tankless Water Heater Electric 240V,Self-Modulating
【Electric Tankless Water Heater】The V7B-180B is compact design for point of use anywhere, in the meanwhile it is able to provide luxury & endless hot water up to 4.3GPM with its powerful 18kW heating system. It is great idea to install this tankless water heater electric a few ft away from shower tub or washing machine, to get sufficient and endless hot water of higher than 120°F in seconds.
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WINTEMP 12kW Electric Tankless Water Heater 240V Up to 2.8 GPM ETL
Important Note: Before purchasing, please ensure this unit meets your installation requirements. The WM12 model is rated at 12kW (240V) with a maximum current of 50A. It requires 1 × 50 Amp double-pole breaker and 1 set of 8 AWG wiring for installation, with 1/2" NPT water connections(Hardwired installation is required)
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A. O. Smith Water Heater | 8 GPM, 190K BTU | NG Indoor, X3 | ATI-310CX3
Enjoy Continuous Flow: This heater allows a flow rate up to 8.0 GPM while X3 Scale Prevention Technology prevents scale buildup and maintains like-new performance longer. No annual descaling or isolation valves required.
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18kW Tankless Water Heater Electric, On Demand Hot Water Heater 240V, Up to 4.17 GPM, Supply for 2-3 Fixtures
Note: Things to know before buying, Our Orbek tankless water heater electric 18kw requires 2 x 240V/40A two-pole breakers, 2 sets of 8 AWG wires and 3/4" NPT water connections.Please ensure that the total current of the household circuit breaker panel is greater than or equal to 150 amps. Otherwise, it may affect the normal operation of the equipment. Especially if other high-power appliances are also being used in the household circuit.
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24kW Tankless Water Heater Electric 240V,Self-Modulating
【Electric Tankless Water Heater】The V7B-240B is compact design for point of use anywhere, in the meanwhile it is able to provide luxury hot water with its powerful 24kW heating system. It is great idea to install this tankless water heater electric a few ft away from shower tub or washing machine, to get sufficient hot water of higher than 120°F in seconds.
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Novieex Natural Gas Tankless Water Heater Up to 4.3 GPM 100,000 BTU, Indoor
【Note 】 This 4.3GPM on demand water heater requires natural gas
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ThermoMate Tankless Water Heater Electric, 11kW 240 Volt On Demand Instant Hot Water Heater for Point of Use, Self-Modulating LED Display Knob Control, ETL Certified, 2.15GPM at 35°F Rise
[Instant Endless Hot Water] - Provide consistent hot water wherever and whenever you need it. 24 hours standby. 11kW powerful heating support up to 3 faucets and large 2.15GPM at 35°F temperature rise. Max temperture up to 131°F. Requires Double Pole 50Amp breaker
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ThermoMate CZ422NG, Natural Gas Tankless Water Heater Indoor, Up to 5 GPM
[Max 5 GPM & 113,000 BTU] - The ThermoMate instant hot water heater can supply two showers simultaneously, each delivering 105°F water at a flow rate of 2 GPM, based on an inlet water temperature of 65°F. No waiting time, no cold water shocks, perfect for busy households. Adopting advanced water flow sensor, the built-in chip can adjust the heating power 20,000 times per second, ensuring that the hot water within ±1°F fluctuations for a comfortable shower experience.
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Tankless Water Heater Electric 36kW 240V 3s heating Whole House Shower
Note: MIZUDO 36kw 240V tankless water heater electric requires 4 pcs of 40 AMP two-pole breakers, 4 sets of 8 AWG wires and 3/4" NPT water connections. With a compact size of 17.1"H x 18.5"L x 3.7"W, our electric hot water heater saves over 87% of space compared to traditional tank water heaters, fitting easily into most corners of your home.
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APUS 27kW Electric Tankless Water Heater, 240V, Up to 6.5 GPM, 3s Instant
Endless Instant Hot Water On Demand: Experience continuous electric tankless water heater performance with our powerful 27kW tankless water heater, delivering on-demand hot water at up to 6.5 GPM—ideal for 3-4 simultaneous uses (showers, sinks, appliances). The advanced cast aluminum heating element ensures rapid, efficient heating in this tankless hot water heater electric, with no preheating, no waiting, and no cold interruptions.
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GASLAND BS264 Outdoor Propane Tankless Water Heater 2.64GPM, 10L Portable Hot Water Heater for Cabin, Barn, Camping, RV, Overheating Protection, Easy to Install, White
2.64GPM/10L Propane Water Heater - Maximum power output 68,000BTU/Hr. The temperature raise is 109.4°F (43°C) at its highest point and 55.4°F (13°C) is at its lowest point of 2.64 GPM. Also, 2.64 gallons of hot water can be produced per minute at the flow rate of 2.64 GPM. Low water pressure start up, just need 3.6 PSI of water pressure to start.
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5% discount
FOGATTI Tankless Water Heater Natural Gas Outdoor On Demand CSA Certified
Instant Hot Water: Say goodbye to preheating delays! FOGATTI tankless water heater delivers continuous hot water instantly, powered by 180,000 BTU and up to 8.1 GPM flow rate. Whether it’s for showers, sinks, or appliances, even for 3-5 outlet points, it ensures uninterrupted hot water
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WINTEMP 18kW Tankless Water Heater Electric 240V WiFi, ETL Certified
Important Note: Before purchasing, please ensure this unit meets your installation requirements,150 Amp Household Service Recommended. The WM18V model is rated at 18kW (240V) with a maximum current of 75A. It requires 2 × 40 Amp double-pole breakers and 2 sets of 8 AWG wiring for installation, with 3/4" NPT water connections
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Wintemp 27kW Tankless Water Heater Electric 240V WiFi, ETL Certified
Important Note: Before purchasing, please ensure this unit meets your installation requirements, 200 Amp Household Service Recommended. The WM27V model is rated at 27kW (240V) with a maximum current of 113A. It requires 3 × 40 Amp double-pole breakers and 3 sets of 8 AWG wiring for installation, with 3/4" NPT water connections
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CAMPLUX 2.64 GPM Portable Tankless Water Heater, Outdoor Propane Water Heater with 4.33" S/S Rain Cap, for Camping, Cabin, Windproof Design, 68,000 BTU, BD264C
Portable On Demand Hot Water - Portable water heater is rated at 2.64 GPM and has 68,000 BTU/hour maximum heat output. No need for complex settings, with LED display & gas/water flow control knobs, easily get the temperature rise at 50°F-122°F
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Rinnai RE180iP Non-Condensing Propane Tankless Water Heater
Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
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Wintemp 12kW Tankless Water Heater Electric 240V WiFi, ETL Certified
Important Note: Before purchasing, please ensure this unit meets your installation requirements. The WM12V model is rated at 12kW (240V) with a maximum current of 50A. It requires 1 × 50 Amp double-pole breakers and 1 sets of 8 AWG wiring for installation, with 1/2" NPT water connections(Hardwired installation is required)
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Rinnai REP199eN Smart-Circ Natural Gas Tankless Water Heater
Smart-Circ Intelligent Recirculation: Tankless hot water heater offers a built-in recirculation pump and Smart-Circ technology that learns your water use patterns, then schedules pump and recirculation accordingly for energy efficiency and convenience
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Rinnai RE199eN Non-Condensing Natural Gas Tankless Water Heater
Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
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ORBEK Outdoor Propane Tankless Water Heater, 16L
Endless On Demand Hot Water: 120K BTU propane outdoor tankless heater delivers 5.1 GPM with 0.53 GPM low flow start. Provides continuous hot water to 2 to 4 outlets simultaneously, whole house for families.
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Tankless Water Heater Electric,240V,14kw,Max 3.3GPM,3s Instant Heating,ETL
INSTANT ENDLESS HOT WATER – Fogatti 14kW Electric Tankless Water Heater delivers up to 3.3 GPM at 77°F inlet, supporting 1-2 outlets simultaneously. At 57°F inlet, 1.9 GPM; at 37°F inlet, 1.4 GPM. No tank, no waiting–continuous hot water on demand.
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5% discount
GASLAND Gasmart C Propane Gas Tankless Water Heater Indoor, Max 5 GPM 113,000 BTU,CSA Certified,On Demand Hot Water Heater with 3" Exhaust Pipe, 120 Volt, Black
Powerful 5.0 GPM Whole Home Hot water: Engineered with a robust 113,000 BTU output, the CS422BLP delivers a high flow rate of up to 5 Gallons Per Minute (GPM). This high-capacity propane tankless water heater effortlessly supplies endless hot water for 3–5 water outlets throughout the house, ensuring a comfortable hot water experience for the whole family.
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Eemax HA011240, Grey, 6 Gauge , Gray
Endless hot water
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Vancepic Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM | 80,000 BTU Instant Hot Water Heater
Powerful On-Demand Heating: 80,000 BTU & 3.6 GPM for this tankless water heater natural gas, supports 2-3 water points simultaneously, delivers endless natural gas hot water on demand with no waiting.
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EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
Configured for climates where incoming water temperatures are in the 60 deg
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Rinnai RE199iP Non-Condensing Propane Tankless Water Heater
Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
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Westinghouse 14kW Tankless Water Heater Electric 240V, Wifi, ETL, Gray
【Dedicated Circuit Requirements & Installation】This Westinghouse tankless water heater electric requires a dedicated 60A double-pole breaker and 6 AWG wire at 240V for stable, safe operation. With 1/2" NPT connections and a compact wall-mountable design at just 12.59"H x 9.56"W x 3.28"D that takes zero floor space, this Westinghouse electric tankless water heater offers quick, hassle-free installation—whether new build or replacement, just as you'd expect from a genuine Westinghouse tankless water heater.
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APUS Propane Tankless Water Heater, 190,000 BTU, 8.1 GPM, Outdoor
APUS
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Rinnai RE199eP Non-Condensing Propane Tankless Water Heater
Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
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CAMPLUX 2.64 GPM Portable Tankless Water Heater, Outdoor Water Heater Propane with 4.3'' S/S Rain Cap, On Demand Propane Hot Water for Camping, Cabins, Outdoor Use
【Propane On Demand Hot Water】Portable water heater is rated at 2.64 GPM and has 68,000 BTU/hour maximum heat output. No need for complex settings, with LED display & gas/water flow control knobs, easily get the temperature rise at 50°F-122°F
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APUS Propane Tankless Water Heater, 80,000 BTU, 3.6 GPM Indoor
80,000 BTU + 3.6 GPM for 2–3 Water Points: APUS propane water heater Delivers on-demand hot water for a shower, sink and second fixture in a 1–2 person home, apartment or tiny home; the 0.53 GPM low-flow start helps trigger heating during lighter use.
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27kW Tankless Water Heater Electric, NOVIEEX 240V 3s Instant Hot Water Heater, Flow Rate Max 7.4 GPM, Supply for 3-4 Points, Indoor Installation, Heavy Duty Ideal for Whole House Use
【HIGH-POWER 27kW PERFORMANCE】 Built for demanding hot water needs, this 27kW tankless water heater delivers high-power heating performance at 240V, with a maximum current of 112.5A. It requires 3 × 40A double-pole circuit breakers and 3 sets of 8 AWG wires with a ground wire. The unit measures 14.13" (W) × 15.86" (H) × 3.18" (D) and features 3/4" NPT water connections. Please consult a qualified electrician and verify that your electrical system meets the requirements before purchasing.
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We have found a total of 128 tankless water heaters deals at amazon, Ferguson Home, Zoro, and other shops for you. The most popular brands include: Rheem, CAMPLUX ENJOY OUTDOOR LIFE, and Rinnai. Today's offer is MIZUDO 120,000 BTU Propane Tankless Water Heater Max 5.1 GPM,WiFi&APP with 31% discount. The lowest price we found in our offers is $ 186.15 . The highest price in our price comparison is $ 2,018.29 . Currently, we have selected 13 reliable shops for you to buy tankless water heaters affordably.