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10 Top Rv Tankless Hot Water Heater Reviews:
Bestseller No. 1 
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. 2 
Girard RV Tankless Hot Water Heater
- POWERFUL PERFORMANCE — At 42,000 BTUs, this continuous hot water heater provides optimal performance for RV plumbing. The quiet, brushless motor runs on 12V power that operates at less than three amps for a nearly noiseless operation
- CONSISTENT TEMP — The onboard microprocessor monitors incoming cold water temperature, flow rate and outgoing hot water temperature to maintain a steady water flow. It also regulates the burner to maintain a consistent temperature, preventing cold spots and scalding water
- HIGHLY EFFICIENT — The Girard RV tankless water heater consumes half the LP gas that a six-gallon tank water heater would consume for the same amount of hot water
- INTELLIGENT CONTROL — With a digital user control panel, you can adjust the temperature setting from 95 to 124°F, toggle between Fahrenheit and Celsius, get a continuous water outlet temperature reading and more. For easy troubleshooting, the control panel also displays error codes if issues arise
- EASY INSTALLATION — With the lightweight and compact design, the Girard hot water heater fits in any tank water heater cut-out opening and weighs 23 lbs. Additionally, there is no need for bypass plumbing, no tank to drain and no anode rods to change
SaleBestseller No. 3 
FOGATTI RV Tankless Water Heater, 2.2 GPM, Gen 2, with White Door and Remote Controller, 42,000 BTU, InstaShower 6, Optimized Summer Comfort Performance, Ideal for RVers' Family Use
- 【Unprecedented experience】The high altitude suitability mode allows the machine to run smoothly even when driving the caravan to the high Denver plateau at 9800 feet. Staged combustion technology controls the amount of flame in summer, prevents the water from getting too hot, and saves the limited propane gas available for caravan travel.
- 【High compatibility and easy installation】The Fogatti RV water heater have a wide range of applications. The opening is 13 x 13 inches and the door is 15 x 15 inches. It can replace Suburban and Atwood's 6 gallons tank water heaters, as well as Girard and Furrion's tankless water heaters. If you previously used a 10 gallons tank water heater, it would need to be retrofitted with an 18 x 18 door.
- 【Incessant hot water】With 42,000 BTU of power, it can produce a maximum of 2.2 GPM of hot water. Some tank heaters can only store up to 6- 10 gallons of hot water and run out of hot water in 5- 8 minutes, whereas our hot water supply lasts over 20 minutes.
- 【No waiting】RV tankless water heaters are taking off. Tankless water heaters are better than tanked water heaters for continuous showering of multiple people. There is no need to waste 20- 30 minutes waiting for hot water in the middle of the shower, so you can enjoy hot water at all times. It uses propane for heating, so there is no need to worry about running out of power in your caravan.
- 【Save money and trouble】Fogatti has always thought of you, with a pressure relief valve built into the product, so you don't have to buy and install it separately. And it also comes with a 15 x 15 door and an intelligent remote controller up to 2 meters long.
Bestseller No. 4 
RV Tankless Water Heater ,Camplux 2.64 GPM RV Hot Water Heaters with Door, Remote Control Included (Black)
- 【High Heating Power】65000 BTU heating power & 2.64GPM capacity,Camplux RV propane water heater will deliver hot water on demand,no need to waste 20-30 minutes waiting for hot water in the middle of the shower.
- 【Easy Installation】Compatible with retrofit applications as an alternative to Suburban & Atwood 4/6 gallon water heater models, easily and conveniently upgraded from traditional, limited capacity tank water heaters.
- 【Thermostatic System】Temperature fluctuation eliminate technology-the appliance equipped with a temperature fluctuation eliminator. If the water flow decreased to small flow (0.4 GPM) that will cause a high rise in temperature, the fluctuation eliminator can eliminate the rising temperature to avoid scalding injuries, and make sure the bather gets a comfortable bath.
- 【Anti-freeze Function】The appliance is equipped with an anti-freeze device, when the outdoor temperature drops below freezing the unit will automatic heating the water system to 48 degrees Fahrenheit then the water heater ill stop.
- 【Built for the Road】: Designed for durability and performance on the road to withstand the strong vibrations of uneven terrain during travel.
SaleBestseller No. 5 
FOGATTI RV Tankless Water Heater, 2.9 GPM, Gen 2, with White Door and Remote Controller, 55,000 BTU, InstaShower 8 Plus, Best High Altitude Performance, Ideal for RVers' Everyday Use
- 【Unprecedented experience】The high altitude suitability mode allows the machine to run smoothly even when driving the caravan to the high Denver plateau at 9800 feet. Staged combustion technology controls the amount of flame in summer, prevents the water from getting too hot, and saves the limited propane gas available for caravan travel.
- 【All RV water heaters can be replaced】The Fogatti RV water heater has a wide range of applications. The opening is 13 x 13 inches and the door is 15 x 15 inches. It can replace Suburban and Atwood's 6 gallons tank water heaters, as well as Girard and Furrion's tankless water heaters. If you were previously using a 10 gallons tank water heater, it will need to be retrofitted with an 18 x 18 door.
- 【Incessant hot water】With 55,000 BTU of power, it can produce a maximum of 2.9 GPM of hot water. Some tank heaters can only store up to 6- 10 gallons of hot water and run out of hot water in 5- 8 minutes, whereas our hot water supply lasts over 20 minutes.
- 【No waiting】RV tankless water heaters are taking off. Tankless water heaters are better than tanked water heaters for continuous showering of multiple people. There is no need to waste 20- 30 minutes waiting for hot water in the middle of the shower, so you can enjoy hot water at all times. It uses propane for heating, so there is no need to worry about running out of power in your caravan.
- 【Save money and trouble】Fogatti has always thought of you, with a pressure relief valve built into the product, so you don't have to buy and install it separately. And it also comes with a 15 x 15 door and a intelligent remote controller up to 2 metres long.
Bestseller No. 6 
Furrion 2.4GPM Tankless RV Gas Water Heater with White 18.11” x 18.11” Door - FWH09A-3-C
- 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 Atwood: Specially designed for retrofit applications and use as a replacement door for Suburban & Atwood 10 Gallon Water Heater models. This door fits the required dimension of 18.11 x 18.11 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
SaleBestseller No. 7 
Tankless Water Heater Electric 5500W 110V,Constant Temperature Instant Hot Water Heater with Remote Control Digital Display RV water heater for Home Kitchen Indoor(White)（Can't Use Socket）
- 【Tips】 The instant hot water heater does not store water (Water Temperature Range: 30-55℃,Can’t change to Fahrenheit, Voltage:AC 110V;Wire Requirements:6mm² Copper wire (#9 awg wire); )Trip switch:≥63A(Otherwise it will trip).Applicable Water Pressure：0.04-1.2Mpa.The outlet water temperature depends on the inlet water temperature and water flow. The larger the water flow, the lower the temperature, the smaller the water flow, the higher the temperature.
- 【Instant Heating】 Instant Hot Water Heater Applied with 5.5KW heating system,24 hours ready to continuously supply instantaneous hot/warm water at preset temperature throughout your home only when needed. NO standby energy consumption. NO wait for tank to fill up. Temperature ranges from 86°F- 131°F, requiring 63A Circuit Breaker and 1/2"NPT water connections.
- 【Light Weight】8.8"W×8.2"H×3"D,The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon.
- 【Self Modulating】On demand water heater automatically adjust the power based on the change of inlet water flow and temperature.Optimal energy efficiency of 98% saves considerable electric charge.
- 【Convenient Use】 Touch control panel and digital temperature display, easy to set your desired temp. Lightweight and easy to install vertically facing up or down. Open tap to start the unit heating with activation flow rate of 0.5GPM.Now turn on the tap and let the smart unit do the rest, just enjoy the instant hot water.
Bestseller No. 8 
Tankless Water Heater 5.26GPM 20L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins
- 【Premiun Water Heater】-Tankless Water Heater with CSA Approved Regulator, with more safety protection such as flame failure device, anti-freezing protection,over heating protection,Just need 3.6PSI of water pressure,5.26 gallons of hot water can be output per minute. The maximum temperature raise is 167 °F,Applicable only Propane（LPG)
- 【Efficient & Energey Saving】-The Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Maximum power output 68000btu/hour, you will get instant endless hot water easily wherever you are.Compact and lightweight structure with 11.5% energy saving technology,so you can get more hot water for less money.
- 【Portable Design】-Portable Water Heater size and lightweight make the water heater easy to carry and allow you to enjoy an amazing hot shower after a long day of camping, in your RV, or for giving your pet a bath,Size: 26.77x17.12x7.87 inches,Gas Hot Water Heater is Powered by 2 pcs size "D"cell Batteries.
- 【Complete Accessories】-This tankless water heater comes with CSA approval 5FT Gas Regulator, 5 Spray Modes high pressure Shower Head with 59in(1.5m) extended Long Stainless Steel Hose and Shower Holder,There are three interface ports under propane water heater. The left one is the Air inlet. The middle one is the shower port,and The right one is the water inlet.
- 【Wide Usage】- This Camping Heater,Perfect for Outdoor Shower,Which Bringing an Amazing hot Shower for you When you are Camping, Hiking, Fishing, Beaching, Portable Hot Water Sink, RV/SUV/MPV, etc. Besides, you can Also Wash your Pets with this Tankless Water Heater,Always check gas leakage before operation.
SaleBestseller No. 9 
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
- 𝟭.𝟱𝟴𝗚𝗣𝗠/𝟲𝗟 𝗣𝗿𝗼𝗽𝗮𝗻𝗲 𝗪𝗮𝘁𝗲𝗿 𝗛𝗲𝗮𝘁𝗲𝗿 - Maximum power output 41,000BTU/Hr.The temperature raise is 109.4℉ (43℃) at its highest point and 55.4℉ (13℃) is at its lowest point of 1.58 GPM. Also, 1.58 gallons of hot water can be produced per minute at the flow rate of 1.58 GPM. Low water pressure start up, just need 3.6 PSI of water pressure to start.
- 𝗚𝗼𝗼𝗱 𝗳𝗼𝗿 𝗢𝗳𝗳-𝘁𝗵𝗲-𝗚𝗿𝗶𝗱 - Runs on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition powered by two D-cell batteries. Can be used in a variety of scenarios: while you're camping, RVing, hunting, hanging poolside, washing your pets or horses, cleaning your vehicle, or even in your tiny home, greenhouse, or cabin house.
- 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗦𝗮𝘁𝗲𝗳𝘆 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺 - With CSA certification, safe as per Canadian and US Standard. Features over-heating protection, low water flow protection, dry combustion protection, anti-freezing protection, high water pressure protection and flame failure device.
- 𝗟𝗘𝗗 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗗𝗶𝘀𝗽𝗹𝗮𝘆 - Bright power, the temperature readout as to not get the water to hot or cold.
- 𝟭-𝗬𝗲𝗮𝗿 𝗖𝘂𝘀𝘁𝗼𝗺𝗲𝗿 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 - We provide a 1-year Warranty against manufacture defects and lifetime customer support.
Bestseller No. 10 
Tankless Water Heater, Camplux Constant Propane Water Heater, 3.18 GPM On Demand Water Heater, Instant Hot Water Heater, Indoor, Black
- 3.18 GPM Instant Constant Water Heater -Camplux 3.18 GPM propane tankless water heater delivers 3.18 gallons per minute of on-demand endless hot water ensures constant comfortable instant hot water for 2-3 persons whole house. 3.18-GPM heater is activated by water flow rather than water pressure; Minimum activation water capacity rate: 0.65 GPM-4.8 GPM; Maximum input rating: 82,000 BTUs; Water connection location/size: Bottom/0.5-inch NPT.
- Easy Installation -The tankless propane water heater uses standard 1/2" NPT water fitting and gas inlet. The gas water heater comes with 2.3" horizontal vent pipe for convenient and quick installation,great for whole home,small cabins and remote apartments use. You can take S/S wall thimble-WT236 for perfect indoor use. You will need a gas regulator ( Camplux model KR-106A )＆ 1 pc 5/8" NPT male to 1/2" BSP female gas connector adapter if you want to hook this water heater up to a propane tank.
- Modern Design,Easy Operation -The tankless hot water heater has trendy and modern design with unique black glassy front panel，easy to control the water temperature with LED touchscreen (Fahrenheit and Celsius switch optional).The compact size water heater saves more space than traditional tanks.
- Outstanding Features- The propane instant hot water heater comes with oxgen-free copper heat exchanger and v-type stainless steel burner,high heating efficiency up to 89.98 %; 90°wind isolation design, this tankless propane water heater can anti backflow wind in high floors, the S/S 2.36 ” vent pipe exhaust harmful gases quickly.
- 6-In-1 Protection Ensure Your Safety- Dry combustion,flame failure device, anti-freezing protection, over heating protection to ensure your safety. Fully automatic temperature controls with an energy saving mode and child lock technology.
Last update on 2023-03-24 / Affiliate links / Images from Amazon Product Advertising API