Marey 5L Propane Tankless Hot Water Heater

by Marey
$176.99 USD


The Marey 5L Tankless Water Heater is perfect for your next family getaway, camping trip, cabin retreat or RV excursion! You can even use it to wash your pets - or hook up to your pressure washer for that extra cleaning power using hot water. The system also works great on modified water systems with items such as a 12 volt pump.

No electrical connection required.

  • Compact design saves: space and allows for easy installation just about anywhere.
  • Heats unlimited volume of water as needed.
  • Hot water is available in just a few seconds.
  • Activates by water flow from the moment the faucet is opened.
  • 5-year warranty.


- Saves water and up to 60% less electricity than conventional tank water heater, making it cost
-effective and environmentally friendly.
- Can last a lifetime, keeping up to 87% efficiency level.
- Rustproof, no water loss due to leaks.


    • Tankless Liquid Propane Gas Water Heater
    • Compliant with Department of Energy gas tankless water heater requirements
    • Very DIY friendly and easy to install
    • Heats unlimited volume of water on-demand as needed
    • Does not require electricity (operates with 2D cell batteries)
    • Perfect alternative for homes with frequent power outages or off-grid applications
    • Only uses gas while water is flowing
    • Works easily with low levels of water pressure
    • Anti-combustion and gas pressure safety protection
    • Can maintain 87% efficiency level throughout a lifetime
    • Rustproof design, no water loss due to leaks
    • Saves water and uses up to 60% less electricity than conventional tank water heaters, making it cost-effective and eco-friendly
    • Excellent customer service support and 5 year warranty

The compact and easy-to-install 5L Liquid Propane Gas Tankless Water Heater is the perfect energy efficient solution for your home which will not only help you save money, but also help you save money on your electric bills. This versatile unit only operates on 3V, making it ideal for off-grid applications or anywhere electricity is limited. Copper heat exchanger resists corrosion allowing it to last a lifetime. At a standard faucet flow of 1.5 GPM, the temperature increase is 45 degrees Fahrenheit.  

Note: For the 5 year warranty to be valid, the unit must be registered within 30 days of the purchase date. You may register the warranty online by clicking the following link:


Note: Until otherwise stated, all Marey products cannot be shipped to the State of California. The California Energy Commission is required to test and list all of the Marey units on the CEC’s Modernized Appliance Efficiency Database System (MAEDbS) and until such action is completed, we must not sell units into the state of California. Marey has initiated the steps to comply with the request but it is a process that may take some time. Any orders received to be shipped to this state will be cancelled.


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