Best Outdoor Tankless Water Heater Propane in 2025
Updated on July 2025
#1
Recommended
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- Heating capacity of 80,000 BTU with a hot water flow rate of 3.6 GPM, suitable for multiple outlets in a household.
- Instant hot water available without a wait time, eliminating the need for preheating.
- Offers 4 convenient temperature modes: Dish (100℉), Fruit (95℉), Elderly (104℉), and Infant (107℉).
- Includes an exhaust pipe in the kit, featuring an oxygen-free copper water tank to minimize heat loss and reduce energy consumption.
- Installation should comply with local regulations and be performed by licensed professionals; not recommended for elevations above 2,000 feet.
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- Heating capacity of 80,000 BTU with a hot water flow rate of 3.6 GPM, suitable for multiple outlets in a household.
- Instant hot water available without a wait time, eliminating the need for preheating.
- Offers 4 convenient temperature modes: Dish (100℉), Fruit (95℉), Elderly (104℉), and Infant (107℉).
- Includes an exhaust pipe in the kit, featuring an oxygen-free copper water tank to minimize heat loss and reduce energy consumption.
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#2
Value for Money
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- Lightweight design at only 10 pounds with a foldable handle for easy outdoor setup.
- Flow rate of 1.32 GPM, capable of raising water temperature by up to 114.8℉ (46℃).
- Minimum water pressure of 3.0 PSI makes it suitable for off-grid locations, powered by two D batteries.
- CSA approved with 6 safety features including anti-freezing, overheating, and flame failure protection.
- Comes with a 1-year guarantee and installation hardware for quick setup in about 10 minutes.
- Maintenance tip: Drain properly in cold weather to prevent freezing damage.
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- Lightweight design at only 10 pounds with a foldable handle for easy outdoor setup.
- Flow rate of 1.32 GPM, capable of raising water temperature by up to 114.8℉ (46℃).
- Minimum water pressure of 3.0 PSI makes it suitable for off-grid locations, powered by two D batteries.
- CSA approved with 6 safety features including anti-freezing, overheating, and flame failure protection.
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#3
12% Off
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- Compact 6L portable water heater measures 11.8 x 5.3 x 17.3 inches and weighs 12 lbs, making it easy to transport and store with a foldable handle.
- Delivers instant hot water with a maximum output of 40,000 BTU/hr and a flow rate of 1.58 GPM, requiring only 2.5 PSI water pressure to operate.
- Certified by CSA for safety, featuring multiple protections including overheating, low water flow, and dry combustion to ensure safe operation.
- Compatible with a standard 20 lb. liquid propane tank and powered by 2 D-cell batteries, ideal for camping, RV use, and outdoor activities.
- To prevent gas leaks, avoid using Teflon tape between the gas regulator and inlet pipe, and store away from rain to protect internal components.
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- Compact 6L portable water heater measures 11.8 x 5.3 x 17.3 inches and weighs 12 lbs, making it easy to transport and store with a foldable handle.
- Delivers instant hot water with a maximum output of 40,000 BTU/hr and a flow rate of 1.58 GPM, requiring only 2.5 PSI water pressure to operate.
- Certified by CSA for safety, featuring multiple protections including overheating, low water flow, and dry combustion to ensure safe operation.
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#4
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- Highly portable design with a carry handle, waterproof bag, and stable freestanding stand for easy setup anywhere.
- Includes all necessary components for quick assembly: carrying bag, two free-standing stands, water pump kit, extended shower hose, brass quick-connect gas regulator, and a standard garden hose.
- Features brass quick-connection for seamless gas and water connections, minimizing the need for tools and reducing gas leak risks.
- Operates effectively with a wide water pressure range of 3.0 psi to 143 psi, making it suitable for various outdoor activities and situations.
- Delivers 1.32 gallons per minute of hot water, ensuring a comfortable shower experience even while camping.
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- Highly portable design with a carry handle, waterproof bag, and stable freestanding stand for easy setup anywhere.
- Includes all necessary components for quick assembly: carrying bag, two free-standing stands, water pump kit, extended shower hose, brass quick-connect gas regulator, and a standard garden hose.
- Features brass quick-connection for seamless gas and water connections, minimizing the need for tools and reducing gas leak risks.
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#5
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- Utilizes advanced combustion technology for efficient energy use, providing 115,425 BTU/hour for instant hot water.
- Offers a maximum output of 115,425 BTU/hour, heating water up to 113°F with a flow rate of 4.76 gallons per minute.
- Equipped with six safety features, including overheat and low-flow protections, ensuring safe operation and reliability.
- Compact and lightweight design makes it portable, perfect for camping or pet bathing with a no-water-waste shower head.
- Versatile for various outdoor activities, providing reliable hot water while being easy to transport and store.
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- Utilizes advanced combustion technology for efficient energy use, providing 115,425 BTU/hour for instant hot water.
- Offers a maximum output of 115,425 BTU/hour, heating water up to 113°F with a flow rate of 4.76 gallons per minute.
- Equipped with six safety features, including overheat and low-flow protections, ensuring safe operation and reliability.
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#6
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- Lightweight and compact design for easy portability, perfect for outdoor activities and pet washing.
- Operates on standard 20 lb. Liquid Propane tanks with electronic ignition; ideal for mobile use with battery-powered functionality.
- Includes a safety shut-off feature that activates after 20 minutes of use or if the unit is tilted beyond 45 degrees.
- Designed for easy connection to standard garden hoses with low pressure activation at 20 PSI.
- Delivers a hot water output of 1.5 GPM, with a temperature range of 50 to 140 degrees Fahrenheit.
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- Lightweight and compact design for easy portability, perfect for outdoor activities and pet washing.
- Operates on standard 20 lb. Liquid Propane tanks with electronic ignition; ideal for mobile use with battery-powered functionality.
- Includes a safety shut-off feature that activates after 20 minutes of use or if the unit is tilted beyond 45 degrees.
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#7
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- 1.58 GPM propane water heater with a maximum output of 41,000 BTU/H, providing a temperature rise of up to 109.4℉.
- Compatible with standard 20 lb propane tanks, suitable for camping and outdoor activities.
- Advanced safety system with CSA certification, featuring multiple protective measures.
- LED digital display for clear temperature readings to prevent water from getting too hot or too cold.
- Includes a CSA certified gas regulator, hose, and essential accessories for setup.
- Safety and maintenance tips for proper installation and storage to ensure longevity.
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- 1.58 GPM propane water heater with a maximum output of 41,000 BTU/H, providing a temperature rise of up to 109.4℉.
- Compatible with standard 20 lb propane tanks, suitable for camping and outdoor activities.
- Advanced safety system with CSA certification, featuring multiple protective measures.
- LED digital display for clear temperature readings to prevent water from getting too hot or too cold.
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#8
6% Off
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- 1.58 GPM propane water heater with maximum output of 41,000 BTU/hr, providing temperature raises from 55.4℉ to 109.4℉.
- Operates on a standard 20 lb. propane tank, ideal for various outdoor activities like camping and vehicle cleaning.
- CSA certified safety system includes protection against overheating, low water flow, dry combustion, freezing, and high pressure.
- Features a bright LED digital display for easy temperature monitoring.
- 1-year warranty against manufacturing defects, with lifetime customer support.
- Includes essential accessories such as a gas regulator, hose, and shower head.
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- 1.58 GPM propane water heater with maximum output of 41,000 BTU/hr, providing temperature raises from 55.4℉ to 109.4℉.
- Operates on a standard 20 lb. propane tank, ideal for various outdoor activities like camping and vehicle cleaning.
- CSA certified safety system includes protection against overheating, low water flow, dry combustion, freezing, and high pressure.
- Features a bright LED digital display for easy temperature monitoring.
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#9
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- Quick installation in 5 minutes with all necessary accessories; avoid using Teflon tape on the gas regulator.
- Offers instant hot water at a rate of 4.22 gallons per minute; suitable for camping, remote cabins, and outdoor showers; operates between 4.0-110 PSI water pressure.
- Includes advanced combustion technology for 110,000 BTU/hour, providing endless hot water and 11.5% energy savings.
- User-friendly LED display and ECO/FULL knob for easy temperature control.
- Safety features include flame failure, anti-freezing, and overheating protections, with automatic gas shutoff at high temperatures.
- Proper maintenance tips for preventing freeze damage in cold climates.
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- Quick installation in 5 minutes with all necessary accessories; avoid using Teflon tape on the gas regulator.
- Offers instant hot water at a rate of 4.22 gallons per minute; suitable for camping, remote cabins, and outdoor showers; operates between 4.0-110 PSI water pressure.
- Includes advanced combustion technology for 110,000 BTU/hour, providing endless hot water and 11.5% energy savings.
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#10
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- CSA safety standard approved tankless propane water heater with essential safety features including flame failure device, anti-freezing protection, and over-temperature shut-off at 176 °F.
- Lightweight design at 23 lbs with easy installation options; includes mounting bracket for convenient hanging.
- Energy-efficient design with 11.5% energy savings, featuring advanced combustion technology for reduced gas consumption and lower noise levels.
- Delivers 2.64 gallons of instant hot water with a maximum output of 68,000 BTU/hour, providing hot water on demand without preheating.
- Important safety note: Avoid gas leaks by not using Teflon tape on connections. Check for gas leaks before use to prevent hazards.
- Customer support available for assistance and to address any concerns regarding the product.
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- CSA safety standard approved tankless propane water heater with essential safety features including flame failure device, anti-freezing protection, and over-temperature shut-off at 176 °F.
- Lightweight design at 23 lbs with easy installation options; includes mounting bracket for convenient hanging.
- Energy-efficient design with 11.5% energy savings, featuring advanced combustion technology for reduced gas consumption and lower noise levels.
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