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Top 10 Best tankless water heater rv Reviews

Top 10 Rated tankless water heater rv in 2022 Comparison Table

Bestseller No. 1
GIRARD 2GWHAM Tankless Water Heater
  • Regulates The Burner To Maintain The Set Hot Water Temperature
  • Note: Water Heater Door Is Not Included And Must Be Ordered With Girard'S 2Gwham Water Heater
  • 42,000 Btus Which Provides The Optimum Performance For An Rv'S Plumbing
  • No Special Lp Gas Lines Or Special Plumbing Required
Bestseller No. 2
RV Tankless Water Heater, Fogatti 2.9 GPM, 55000 BTU Hot Water Heater with 15 x 15 Inches White Door
  • The cutout size of water heater is 13 x 13 inches, with door size 15 x 15 inches. Higher heating capacity 55000 BTU and max flow up to 2.9 GPM.
  • Fogatti tankless water heater has wide retrofit compatibility and can provide endless instant hot water for your RV life without the hassle of replacing magnesium rods.
  • The built-in regulating burner is used to provide a stable water temperature with a range of 95°F to 123°F.
  • Equipped with multiple safety functions with flameout, anti-freeze, overheat and overvoltage protection.
  • Fogatti provide free replacement within 60 days, repair service within 5 years (heat exchange part within 2 years). The above mentioned labor costs extra from 61 days.
Bestseller No. 3
Furrion 2.4GPM Tankless RV Gas Water Heater with White 16.14” x 16.14” Door - FWH09A-1-A
  • High Heating Power: 60K BTU heating power & a 2.4GPM capacity, Furrion RV Gas Water Heater will deliver hot water on demand at consistent temperature even when the ambient temperature drops to 32ºF.
  • Steady Temperatures: Furrion’s Vortex technology consistently mixes water to your desired temperature. Dual-sensors automatically shut power off if the temperature exceeds a safe limit.
  • Replacement Door for Suburban: Specially designed for retrofit applications and use as a replacement door for Suburban 4/6 Gallon Water Heater models. This door fits the required dimension of 16.14 x 16.14 Inches.
  • Built for the Road: Engineered for durability and performance on the road, with Furrion VibrationSmart technology and components designed to withstand intense vibration encountered by uneven terrain.
  • Warranty & Dimensions: Designed with the highest quality materials, the Furrion RV Gas Water Heater is covered by Furrion's 2-year Warranty. Product Dimensions (W x H x D): 12.81 x 12.62 x 20.75 Inches
Bestseller No. 4
Excel Tankless On-Demand Gas Water Heater VENTFREE – Propane (LPG) - Low Water Pressure Startup
  • "Low Water Pressure" Startup Technology
  • Starts with only 2 PSI of Water Pressure - Amazon Exclusive
  • Exclusive - Vent-Free Technology No expensive Flue required Amazon Exclusive
  • Compact size: front 11.5” - depth 6” – height 16”
SaleBestseller No. 5
Camplux Tankless Water Heater Electric with LED Display 120V Instant Water Heaters Under Sink 3.5kw TE04
  • Smart&Considered Design: Small water heater designed with smart touch control & LED display, mini size, perfect for under sink installation. The minimum water flow for activation just need 0.4 GPM (Only for one sink)
  • Multi-angled Mounting: The compact size instant electric water heater requires a connection of 1* 40A circuit breaker & 8 AWG wire. Install close to outlet for energy saving. Can be mounted Multi-angled, ideal for kitchen, wet bars, school, hospital, hair salon and boats. Please make sure it is the right size for you: 3.5kW at 120V, product dimensions 7.8" x 6.3" x 3.9", water pipes fitting: 1/2" NPT male
  • Reliable&Durble: The 3.5kW tankless water heater comes with 5 protections. NFS approved, offer lead-free water. ETL safety certified, leakage and overheat protection device to ensure your safety. Stainless steel and copper component for high efficiency and durability
  • Consistent Hot Water -On demand water heater only heats the water when you need it and no waiting for preheat.The temperature rise of 1.0 GPM is 22°F. Easy to get hot water between 85°F - 194°F in seconds. Enjoy instant and endless hot water
  • Rotatable LED Display: 120V tankless water heater features an upgrade rotatable digital temperature display and touch control panel, show you the easy reading output water temperature at real-time and setting ideal temperature just by finger. Note: This mini water heater is only suitable for sink use, not for bathing
Bestseller No. 6
Tankless Water Heater, GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, Black
  • 🎁【CSA Approved Safety 】CSA approved Gasland tankless water heater, safe as per Canadian and US Standard. Flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 3.6-110PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. High water temperature protection over 167 °F. Shut off gas supply automatically under unexpectable flameout.
  • 🎁【Lightweight Portable Design】 Compact size and lightweight design for easily carry. It can bring a amazing hot shower for you when you are camping, to the beach, etc. Also you can wash your pets with this tankless water heater in outdoor. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a few minutes to install it. Or you can install it according to the instructions.
  • 🎁【On Demand Hot Water】 Maximum power output 41,000BTU/Hr, get instant endless hot water easily wherever you are. No need to preheat before using tankless water heater. As soon as you turn on the tap, the water flows with your desired temperature. Low water pressure start up, just need 3.6 PSI of water pressure. 1.58 gallons per minute of on-demand hot water. Fully adjustable heat and water flow.
  • 🎁【Energy Saving】 Compact and light weight structure with 11.5% energy saving technology. The propane water heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise. You will save more when you use our tankless water heater.
  • 🎁【Excellent Customer Service】We have professional team to offer you excellent service. If you have any question, please feel free to contact us from Monday to Friday.
Bestseller No. 7
RecPro RV Tankless Water Heater | On Demand Hot Water Heater | Gas Water Heater | Remote Control Included (Black)
  • No more waiting for the water tank to warm up or running out of warm water halfway through your shower. With this amazing machine, you can have a steady stream of hot water flowing to your faucets or shower without waiting for the tank to warm up.
  • There is a forced exhaust structure that keeps the air safe and clean while and after entering the combustion chamber. There is also a dust net to make sure no dirt gets into the tankless water heater.
  • There is a low water pressure startup, which helps to protect the heater and make it easier to use.
SaleBestseller No. 8
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts 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 temperature
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
Bestseller No. 9
Camplux 5L Outdoor Portable Water Heater, 1.32 GPM Tankless Propane Gas Water Heater for RV, Camping, Barns, White
  • CSA Safety Standard -CSA safety standard approved portable tankless water heater,flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 3.0-110 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 water heater will shut off automatically when high water temperature protection over 176 °F.
  • Lightweight Portable Design-Compact size weights 10 lbs with portable handle for easily carry. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a 15 minutes to install the propane water heater.
  • Instant Hot Water- Maximum power output 28,000btu/hour, you can get 1.32 gallons instant endless hot water easily wherever you are. No need to preheat before operating the tankless water heater. As soon as you turn on the tap, the water flows with your desired temperature.
  • 3.0 PSI Water Pressure Startup -Equipped with a magnetic water flow sensor, the tankless water heater can be widely applied for rural areas, RV's and Boats.The tankless propane water heater lights when water pressure between 3.0-110 PSI, low water pressure is perfect for campings and remote cabins.
  • Important Tips -To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. The tankless water heater will "caught on fire "with improper operation. Always check gas leakage before operation.
SaleBestseller No. 10
Electric Tankless Water Heater, 4500W 110V HD LCD Display 55℃ Tankless Water Heater Intelligent Constant Temperature On Demand Water Heater Instant Hot Water Heater for Rv Kitchen Salon(black)
  • 【INSTANT & SUFFICIENT HOT WATER】Say goodbye to hot and cold. the 4500w tankless water heater has intelligent constant temperature technology, control the water temperature difference within the appropriate temperature.Meanwhile, one machine with multiple functions, to meet the household's multiple water needs at the same time, with a high power of 4500w and a temperature of 55℃.
  • 【LCD DISPLAY 】The high-definition lcd display allows you to keep track of the working status of the water heater and is easy to operate. Meanwhile, the instant water heater is great for kitchen, bar, school, hospital, community and hair salon. It is perfect companion for sinks. time to get rid of those "lukewarm" toys.
  • 【SAFE ADN DURABLE】Stainless steel cup heating body, water heater adopts fast heating system function, instant hot water output. no need to wait for a long time, uniform heating and long life, water leakage, explosion‑proof. Thus you still get ideal temperature instead of scalding hot water, which means comfortable experience.
  • 【HIGH QUALITY MATERIAL】The 4500w electric tankless water heater uses tempered glass surface material, fashionable texture. Meanwhile, the tankless water heater is waterproof and scratch resistant, safer to use, when cleaning-wipe it out, simple and convenient.
  • 【100% WARRANTY】We promises every customer a 100% shopping satisfaction, feel free to reach us if you have any questions about your purchase.We will give you a professional and detailed reply within 24 hours.Click to buy now!
Are you searching for top 10 best tankless water heater rv in the market in 2022? After evaluating and analyzing in detail more than 82,645 customer satisfaction about top 10 best tankless water heater rv in 2022, we have come up with the top 10 rated products you may be interested in. We have ranked the best brands from Artificial Intelligent and Big Data, as you see below:

Our Best Choice: Camplux Electric Tankless Water Heater 27kW 240V, Instant Hot Water Heaters, Point of Use Water Heater with Digital Display and Remote Control White

Our rating:4.5 out of 5 stars (4.5 / 5)


Product Description


Camplux Tankless Water Heater 27kW 240V – TE27W

hot water heater electrichot water heater electric

The Camplux electric hot water heater TE27W applied 27kW heating system, the electric water heater offers you instant, endless, and consistent temperature hot water in 24 hours of 7 days.

This electric water heater with compact size and sleek design can be mounted at any angle, perfect for kitchen, school, bathroom sinks, hospital, and a hair salon.

The on-demand electric water heater will only draw the amount of electricity required to produce the hot water, no need for pre-heating to save energy and heat up in seconds. Multiple protection to ensure your safety.

The tankless instant water heater is leakage proof and over-heat protection will start when the temperature reaches 153°F. Smart control, remember your favorite temperature, and convertible freely for Fahrenheit and Celsius.

The Camplux electric water heater will bring you outstanding performance and a comfortable hot shower.

Kindly note: This is an electric unit that requires a professional licensed technician to install per city/state safety code.

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Why choose Camplux ?

Camplux dedicated to providing you an easy and efficient lifestyle. Portability, energy-saving, and innovation are the three key elements for Camplux. With the most advanced technology in water heating, our electric tankless water heaters can save you up to 50 percent on water heating costs. Camplux water heaters save you money, they are also compact and wall-mounted so you save valuable storage space for a new closet!

INSTANT ENDLESS HOT WATER – No need to pre-heating and get hot water in seconds.

REMOTE SMART CONTROLLER – Remember your favorite temperature and convenient to use even install under sink.

FLEXIBLE 180° INSTALLATION – Can be mounted at any angle, ideal for bathroom, kitchen, school, hospital, and a hair salon.

COMPACT SIZE – For indoor installation with compact and space-saving design.

Voltage: 240V

Wattage: 27kW

Rated Current: 113A

Min. Required Circuit Breaker: 3x50A (Double pole breaker)

Min. Wire Size: 8AWG

Min. Water Flow To Activate: 0.85GPM

Temp. Range: 86°F – 125°F

Water Connection: 3/4”NPT

Tankless Hot Water Heater Electric Details





Smart Touch Control and LED Display

Switch freely between °F & °C. Temperature setting ±1 degree accuracy

Remote Controller

Very convenient even install under sink.

Standard 3/4 NPT Fitting

Supplies instant, consistent and endless hot water.

Flexible 180° Installation

Stylish, modern design that blends in any location.

Multifunctional water heaterMultifunctional water heater













Temp. Range

85°F – 131°F

85°F – 131°F

86°F – 125°F

86°F – 125°F

86°F – 125°F

Rated Current






Min. Required Circuit Breaker


30A (Double pole breaker)

60A (Double pole breaker)

2x50A (Double pole breaker)

3x50A (Double pole breaker)

Min. Water Flow To Activate






Min. Wire Size






Water Connection












Product Dimensions






Three Savings: With an efficiency of 99.8%, this tankless electric water heater can save up to 60% on water heating costs. Hot water in three seconds after switching on saves time, easy to get water between 86°F – 125°F; Small size 15.15 x 10.23 x 3.66″ saves space
Safety Protection: The instant water heater comes with NFS and ETL certification and overheating protection. When the temperature is too high, the water heater will automatically trip to ensure the safety of you and your family
Smart Design – The tankless hot water heater design with touch control & digital display, smart and easy to set temperature. Comes with a remote smart controller, you can set the desired temperature even if you are not in front of the instant water heater
Durable: The on-demand hot water heater is equipped with a pressure relief valve, which can drain the water after use in winter, which can effectively prevent the freezing and cracking of the water pipe in the water heater so that the water heater can be used for a longer time
Tips: The 27kW 240V tankless water heater requires a 3 x 50 AMP double pole breaker, 8 AWG wire, and water connection 3/4” NPT. The min. Water Flow is 0.85GPM. 1-year limited warranty and 24/7 customer support services

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