10 Best rv water heater (2025)

• DURABLE CONSTRUCTION: Engineered with a porcelain-lined steel tank, the Suburban 6 Gallon Tank Water Heater is designed for durability, mimicking the longevity of residential tank water heaters, ensuring years of reliable hot water.
• ADVANCED CORROSION PROTECTION: Equip with a replaceable anode rod and this water heater provides enhanced protection against tank corrosion. The anode rod also doubles as a drain, simplifying maintenance and extending the lifespan of the unit.
• FLEXIBLE POWER OPTIONS: Featuring an optional electric element, this allows you to utilize campsite or generator power for heating water, offering unmatched versatility.
• EXCLUSIVE HEAT TRANSFER TECHNOLOGY: Suburban's exclusive flue tube design slows the combustion process, optimizing heat transfer and ensuring the water in the tank heats efficiently, saving energy and providing hot water faster.
• SPECIFICATIONS: Product Dimensions - 12.69" x 12.69" x 19.19"; Cutout Dimensions - 12.75" x 12.75" x 19.19". BTU/h - 12,000. Optional electric element input - 1,440. Recovery rate electric only (Gallons/Hour) - 6.1; Recovery rate gas only (Gallons/Hour) - 10.1. Backed by a 2-year limited warranty and a 3-year tank limited warranty.

• Instant Hot Water Supply- OEVANT 55,000 BTU RV Water Heater provides a constant flow of hot water for multiple showers without preheating. The RV water heater reaches 51°C in less than 25 seconds. Save time and don't wait too long for warm water!
• High-Performance Technology-RV water heater uses advanced staged combustion technology to keep water temperatures stable and prevent overheating, ensuring comfortable and efficient hot water on all your adventures.Moreover, OEVANT RV water heater uses propane for heating, so you won't be worried about running out of electricity in your RV.
• User Friendly Operation - Adjusting the temperature is easy with the built-in microcomputer control panel, which allows you to set the temperature anywhere between 95 and 123 degrees Fahrenheit. It also provides error codes for easy troubleshooting
• Compact and Convenient - The OEVANT RV Water Heater is compact and lightweight with a 16‘ x 16’ door and 13‘ x 13’ opening, and a front-mounted water outlet that makes showering, rinsing, and pet bathing easy!
• Safety and Reliability - OEVANT RV water heaters offer protection in all situations to ensure top safety and reliability, giving you peace of mind, including a built-in forced exhaust fan, stable combustion, anti-freeze protection and automatic gas shut-off in the event of an accidental flame failure.

• ENHANCED FLAME OUT PROTECTION: The Suburban Tankless RV Water Heater features advanced Flame Out Protection, a critical safety mechanism that instantly cuts the gas supply in response to low propane pressure or burner malfunction, ensuring your safety and peace of mind.
• SCALD PROTECTION: Equipped with an internal high-temperature kill switch, this tankless water heater provides reliable Scald Protection. This essential feature safeguards against thermostat malfunctions, maintaining a maximum water temperature of 131° F for safe and comfortable use.
• SAFE CHILD LOCK FEATURE: Designed with families in mind, the Suburban Tankless RV Water Heater includes a child lock that prevents outlet temperatures from exceeding 113° F. This feature ensures enhanced safety by protecting children from accidental scalding.
• SAVES ENERGY: The tankless feature saves energy by only engaging the burners when water is needed…be it for a hot shower, clean dishes or for hosing off after a day at the beach. The unit comes ready for set-up with an included wall mount digital control center. 6285APW or 6285AEB door is required for installation, sold separately.
• FREEZE AND VOLTAGE PROTECTION: This water heater includes Active Freeze Protection, which activates in low temperatures when power and propane are available, preventing freeze damage. Additionally, Voltage Protection shuts down the unit in case of low/high or overcurrent voltage, ensuring reliable and worry-free performance.

• 【We've upgraded.】On top of the original. We have upgraded the multi-function remote control. You can view gas usage, voltage, GPM, does anti-freeze device activates, and high altitude available
• 【Replaces all RV water heaters】It has a 12.8 x 12.8" (without door) opening, easy to replace Suburban & Atwood's 6/10/12 gal tank water heaters and your old water heater with appropriate doors. The fitting door kit is available for purchase in 3 sizes: 15" x 15", 15" x 18", or 18" x 18". Door Requires Additional Purchase, Door ASIN: B0D62541MK
• 【Long time bath】Deep fire row design can improve heating efficiency. It can produce up to Max 3.9 GMP hot water and has 65,000 BTU power. It can bring you hot water all the time when there is enough gas and water. There is no need to wait for the water to heat up and take a quick bath like with a tank water heater
• 【Steady temperature】Temperature ranges from 95°F-124°F. Built-in constant temperature chamber, no overheating of water due to brief opening and closing. 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
• 【Save money and comfort】The a tankless RV water heater with a pressure relief valve built into the unit. You don't have to buy and install it separately. It also comes with a PC 6.6 feet intelligent remote controller. This product does not come with a door and needs to be purchased.

• CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
• LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
• INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
• FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
• EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

• QUICK AND EFFICIENT HEATING: The Dometic water heater has a powerful burner system that heats water quickly, reducing wait times for hot water. It also has an electric heating element that provides additional input, ensuring you have hot water when you need it.
• EXTENDED HOT WATER: The water heater design allows you to enjoy hot water for longer periods, making it perfect for longer showers or filling up larger tanks.
• LOW MAINTENANCE: The Dometic water heater features an Aluminium tank that requires no anode rod, making maintenance easy and hassle-free.
• CONVENIENT SIZE: The Dometic WH-6GEA has a capacity of 6 gallons and compact dimensions of 16 x 16 x 14 inches. It is easy to install indoors and provides a reliable and convenient source of hot water for your RV or mobile home.
• MARKET-LEADING WATER HEATER: The Dometic WH-6GEA is a top-of-the-line water heater designed for mobile applications. Its robust burner system generates hot water quickly and for longer durations, ensuring a comfortable and convenient showering experience while you're on the go.

• 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
• Professional Installation is strongly recommended

• Instant Hot Water Supply - RV tankless water heaters are better than traditional tank water heaters by delivering a constant, uninterrupted stream of hot water for multiple showers without preheating. RV tankless water heaters eliminate the frustrating 20 to 30 mins waiting time for hot water during your shower, ensuring you can enjoy hot water whenever needed.
• Super High Efficiency - JOVJOYER RV WATER HEATER Energy efficient, plenty of hot water, provide hot water anytime, anywhere, save time, no standby energy loss of storage water heater, 2.9 GPM instantaneous gas tankless water heater, maximum power output 55,000 btu/hour, no matter what location you are in, even high altitude mountains 9800Ft, as long as there is enough gas and water, it can provide you with hot water at any time.
• Constant Water Temperature - This tankless water heater for RV is equipped with high efficiency heating coils and intelligent temperature control, ensures 85% heating efficiency while minimizing electricity and propane consumption by 40%. Its graded fine-tuning combustion system allows precise flame control, you decide the water temperature between 95 and 123°F, and it will be maintained stable and does not rise or fall suddenly. The water needs to flow for seconds for the heater to detect flow and start the fan and burner.
• Comprehensive Safety Features - Your safety is our priority. Our RV tankless water heater features a built-in forced exhaust fan, stable combustion, automatic gas shut-off in case of accidental flame failure, and anti-freeze protection. You can enjoy hot water worry-free.
• Versatile Compatibility - Our RV tankless water heater is designed to fit most RVs with a 13" x 13" opening and a 15" x 15" door. Installation is a breeze with detailed tutorials and product dimensions provided. Plus, it comes with a built-in pressure relief valve and remote control, eliminating the need for separate purchases.

• HIGH-POWERED PERFORMANCE - Our RV hot water heater delivers hot water at a rate of up to 2.9 GPM boasting a robust 55000 btu output, ensuring a steady and ample supply for your on-the-go adventures. Plus, it's designed to perform seamlessly at high altitudes, making it ideal for various travel destinations
• EFFICIENT AND VERSATILE - This tankless water heater for RV is equipped with high efficiency heating coils and intelligent temperature control, ensures 85% heating efficiency while minimizing electricity and propane consumption by 40%. Its graded fine-tuning combustion system allows precise flame control, you decide the water temperature between 95 and 123°F, and it will be maintained stable and does not rise or fall suddenly. The water needs to flow for seconds for the heater to detect flow and start the fan and burner
• CONVENIENT FEATURES - Our camper water heater is fitted with a built-in 110PSI pressure relief valve, offers added safety and convenience, eliminating the need for separate purchases. Its error reporting system and fault code display provide easy troubleshooting, ensuring hassle-free operation wherever your journey takes you
• DURABLE CONSTRUCTION - Constructed with a deoxidized copper heat exchanger, this tankless RV water heater offers superior thermal conductivity and corrosion resistance compared to stainless steel alternatives. This ensures longevity and reliability, even in demanding travel conditions
• HIGHLY ADAPTABLE - The RV tankless water heater is compatible with most RVs, with a 13" x 13" body and an included door measuring 15" x 15", can perfectly replace the common 6-gallon tank water heater. Inlet and outlet water connections and gas inlet are 1/2" NPT, along with an extra 5/8" NPT gas connction converter. The heater requires 12V DC power supply, please check and measure these parameters carefully carefully before you purchase

This Poukaran RV Tankless Water Heater, 55000 BTUs RV Instant Hot Water Heater with 15 x 15 inches Door & Remote Controller, DC 12V MAX 3.9GPM, Propane Gas Power Technology, Compatible with All RVs (White) is a top choice in . Customers appreciate its quality, performance, and value.