Best RV Water Heaters in 2025
Updated on June 2025
#1
Recommended
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- Gen 3 RV tankless water heater offers 66,000 BTU and provides hot water at up to 3.6 GPM, supporting simultaneous use in the bathroom and kitchen.
- Operates effectively at high altitudes up to 9,800 feet with a robust heat exchange system and a powerful fan ensuring hot water supply even in windy conditions.
- Compatible with various applications, it can replace 6-gallon and 10-gallon tank water heaters with appropriately sized openings.
- Provides instant hot water with ±1℉ temperature control, adapting the burner flames according to the season for efficient performance.
- Includes a pressure relief valve, installation hardware, and a remote controller enhancing user convenience.
- Equipped with multiple safety features, including a filter screen, CSA certification, forced exhaust fan, automatic gas shut-off, and anti-freeze protection.
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- Gen 3 RV tankless water heater offers 66,000 BTU and provides hot water at up to 3.6 GPM, supporting simultaneous use in the bathroom and kitchen.
- Operates effectively at high altitudes up to 9,800 feet with a robust heat exchange system and a powerful fan ensuring hot water supply even in windy conditions.
- Compatible with various applications, it can replace 6-gallon and 10-gallon tank water heaters with appropriately sized openings.
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#2
Value for Money
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- Operates at 42,000 BTUs for efficient RV plumbing hot water supply.
- Microprocessor ensures steady water flow by monitoring temperatures, mitigating cold spots and scalding.
- Uses 50% less LP gas compared to traditional six-gallon tank heaters for the same hot water volume.
- Digital control panel allows temperature adjustment from 95 to 124°F and displays continuous temperature readings and error codes.
- Professional installation is advised for optimal performance.
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- Operates at 42,000 BTUs for efficient RV plumbing hot water supply.
- Microprocessor ensures steady water flow by monitoring temperatures, mitigating cold spots and scalding.
- Uses 50% less LP gas compared to traditional six-gallon tank heaters for the same hot water volume.
- Digital control panel allows temperature adjustment from 95 to 124°F and displays continuous temperature readings and error codes.
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#3
11% Off
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- Compatible with various RV water heaters, available in three sizes and two color options for easy refitting.
- Delivers 2.5 gallons of hot water per minute with a heat output of 48,000 BTU, making it suitable for busy RV families.
- High-altitude mode operates efficiently up to 9,800 feet, ensuring consistent hot water temperatures without cold spots.
- Features a built-in 150 PSI pressure relief valve and a remote controller for convenient temperature adjustments (95°F to 123°F).
- CSA certified for safety, includes multiple protection features such as forced exhaust fan and automatic gas shut-off.
- Customer support available for installation and operational assistance.
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- Compatible with various RV water heaters, available in three sizes and two color options for easy refitting.
- Delivers 2.5 gallons of hot water per minute with a heat output of 48,000 BTU, making it suitable for busy RV families.
- High-altitude mode operates efficiently up to 9,800 feet, ensuring consistent hot water temperatures without cold spots.
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#4
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- Recovers 10.2 gallons of water per hour
- Dimensions: 12-11/16" height x 12-11/16" width x 19-3/16" depth
- Requires a minimum rough opening of 12-3/4" x 12-3/4"
- Gas input of 12,000 BTU; weighs 33.3 lbs when empty and 81.9 lbs when full
- Includes direct spark ignition with a remote switch for electronic control of the water heater
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- Recovers 10.2 gallons of water per hour
- Dimensions: 12-11/16" height x 12-11/16" width x 19-3/16" depth
- Requires a minimum rough opening of 12-3/4" x 12-3/4"
- Gas input of 12,000 BTU; weighs 33.3 lbs when empty and 81.9 lbs when full
- Includes direct spark ignition with a remote switch for electronic control of the water heater
#5
7% Off
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- Provides a constant flow of hot water for multiple showers without preheating, reaching 51°C in under 25 seconds.
- Utilizes advanced staged combustion technology for stable water temperatures and efficient heating using propane, eliminating electricity dependence.
- Features an easy-to-use microcomputer control panel for temperature adjustment between 95 and 123°F, along with error codes for troubleshooting.
- Compact design with a front-mounted water outlet, allowing easy installation and use in various spaces, including cars and RVs.
- Incorporates safety features such as a forced exhaust fan, anti-freeze protection, and automatic gas shut-off for enhanced reliability.
- Delivers endless hot water with a high power output of 55,000 BTUs, ensuring a consistent flow and stable temperature for all users.
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- Provides a constant flow of hot water for multiple showers without preheating, reaching 51°C in under 25 seconds.
- Utilizes advanced staged combustion technology for stable water temperatures and efficient heating using propane, eliminating electricity dependence.
- Features an easy-to-use microcomputer control panel for temperature adjustment between 95 and 123°F, along with error codes for troubleshooting.
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#6
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- Durable construction with oxygen-free copper and a robust DC fan ensures long-lasting performance under demanding RV conditions.
- Provides instant hot water on demand for multiple showers, eliminating preheating wait times and delivering consistent comfort.
- Designed for high altitudes with a 42,000 BTU output, preventing overheating for reliable efficiency in extreme environments.
- Equipped with multiple safety features including a forced exhaust fan, combustion stability, freeze protection, and automatic gas shut-off for enhanced safety.
- User-friendly installation suitable for all RVs, with 24/7 technical support and a 2-year service warranty for reliable assistance.
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- Durable construction with oxygen-free copper and a robust DC fan ensures long-lasting performance under demanding RV conditions.
- Provides instant hot water on demand for multiple showers, eliminating preheating wait times and delivering consistent comfort.
- Designed for high altitudes with a 42,000 BTU output, preventing overheating for reliable efficiency in extreme environments.
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#7
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- Provides 3.9 GPM of hot water at an output of 65,000 BTUs, eliminating the wait for hot water.
- Compatible with various tank sizes and includes a wide door for improved fit and security.
- Features front and rear water outlets, along with a shower kit for convenient access to hot water indoors and outdoors.
- Adjustable temperature control from 95°F to 124°F, ensuring consistent hot water delivery.
- User-friendly digital control panel displays real-time temperature and error codes for easy troubleshooting.
- Includes safety features like flame out protection and leak detection for reliable operation.
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- Provides 3.9 GPM of hot water at an output of 65,000 BTUs, eliminating the wait for hot water.
- Compatible with various tank sizes and includes a wide door for improved fit and security.
- Features front and rear water outlets, along with a shower kit for convenient access to hot water indoors and outdoors.
- Adjustable temperature control from 95°F to 124°F, ensuring consistent hot water delivery.
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#8
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- High heating power of 65,000 BTU provides an endless supply of hot water for multiple uses, including showers and dishwashing.
- Compatible with various RVs, featuring a compact opening size of 12.7" x 12.7" and an optional fitting door kit for easy replacement.
- Operates effectively at high altitudes above 9,800 ft, utilizing staged combustion technology to maintain consistent water temperatures in low-oxygen conditions.
- Includes built-in safety measures such as a forced exhaust fan, pressure relief valve, automatic gas shut-off, and anti-freeze device to prevent freezing.
- CSA-certified with a 2-year service warranty and access to 24/7 professional technical support for installation and troubleshooting assistance.
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- High heating power of 65,000 BTU provides an endless supply of hot water for multiple uses, including showers and dishwashing.
- Compatible with various RVs, featuring a compact opening size of 12.7" x 12.7" and an optional fitting door kit for easy replacement.
- Operates effectively at high altitudes above 9,800 ft, utilizing staged combustion technology to maintain consistent water temperatures in low-oxygen conditions.
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#9
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- Operates efficiently at high altitudes up to 9,800 feet with staged combustion technology that optimizes flame control for lower water temperatures and propane efficiency.
- Compatible with a variety of RV water heaters, it can replace Suburban, Atwood, Girard, and Furrion models with a 13 x 13 inch opening, retrofitting required for larger 10-gallon models.
- Generates hot water with a capacity of 2.9 GPM, providing over 40 minutes of continuous supply, unlike traditional tank heaters that run out quickly.
- Tankless design eliminates waiting time for hot water, allowing for uninterrupted showers and efficient propane use, suitable for multiple users.
- Features an integrated pressure relief valve, a 15 x 15 inch door, and an intelligent remote controller, simplifying installation and operation.
- CSA certified for safety, with built-in features including a forced exhaust fan, stable combustion, automatic gas shut-off, and anti-freeze protection.
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- Operates efficiently at high altitudes up to 9,800 feet with staged combustion technology that optimizes flame control for lower water temperatures and propane efficiency.
- Compatible with a variety of RV water heaters, it can replace Suburban, Atwood, Girard, and Furrion models with a 13 x 13 inch opening, retrofitting required for larger 10-gallon models.
- Generates hot water with a capacity of 2.9 GPM, providing over 40 minutes of continuous supply, unlike traditional tank heaters that run out quickly.
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#10
5% Off
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- 4-gallon mini-tank fits under the sink for immediate hot water access; thermal efficiency of 98%. Dimensions: 13.75" W x 13.75" H x 13.5" D.
- Durable electric water heater features a glass-lined tank for extended service life; operates on 12A at 120VAC.
- Includes a 36-37" cord for easy installation at a 120-volt outlet, suitable for standalone use or as an addition to a larger system.
- Provides quick access to hot water, servicing up to two sinks simultaneously without delay.
- Flexible mounting options: can be installed on a shelf, wall, or floor; includes a bracket for easy installation directly at the sink.
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- 4-gallon mini-tank fits under the sink for immediate hot water access; thermal efficiency of 98%. Dimensions: 13.75" W x 13.75" H x 13.5" D.
- Durable electric water heater features a glass-lined tank for extended service life; operates on 12A at 120VAC.
- Includes a 36-37" cord for easy installation at a 120-volt outlet, suitable for standalone use or as an addition to a larger system.
- Provides quick access to hot water, servicing up to two sinks simultaneously without delay.
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