Marey Power Gas 10L Tankless Water Heater Review

Forty million people who go camping every year may like to unwind and get all stress free but cannot do it without acknowledging the fact that they need cell networks, prefer wifi and absolutely cannot to do without hot water. This is why easily install-able, battery operated and gas fired features of tank less water heaters are lot in demand in the market. Marey Power Gas 10L Tankless Water Heater offers all of them along with the fact that it can work on potable water tank with a pump setup. However the GPM is only 1.5 at temperature rise of 67 degrees Fahrenheit makes it a point of use system or a unit only suitable for one application at a time.

Marey Power Gas 10L Tankless Water Heater


With 24" x 14" x 7" dimensions and approx. 21 lbs weigh it is easy to carry, fits in the back of the car, usable at RV or food trucks. With a toddler or pet you, know the value of hot water at vacations and camps that need is fully met by this one with compact setting.

3 knobs for proper control

It has a digital display showing the flow, temperature and assuaging you about the risk of balding. The 3 knobs, Marey Power Gas 10L Tankless Water Heater offers for adjusting temperature and water flow can help you to find the perfect combination that suits a person’s water pressure/heat need.

Alternative power source

It is designed for outdoors and has option to run by battery when electricity is unavailable. When you are at a vacation you need not worry about power source as long as you bring the battery with you.

Eco and energy efficient

It saves power in a sense it heats up only on demand, at sensing a flow. Manufacturer claims a 60% power saving on it. It uses gas only when water is flowing. Energy efficiency factor is 87%.


It works on water pressure: 3.6 - 145.0 PSI so if you don’t have line water using a pump to get water from a pot it is most likely to cope with the low flow.

Long lasting

It has a copper heat exchanger, apart from heating water really fast copper heat exchanger also resist corrosion to great extent. Thus you can depend on it for a long time with a little maintenance.


  • 5 year warranty
  • It has convenient 2 D Cell Battery Ignition for off grid area
  • Ideal choice for outdoors mobile homes
  • Anti-combustion and gas pressure safety protection
  • Compliant with Department of Energy gas tank less water heater requirements
  • Easy-to-install

Cons with solution

Hard to tackle battercy cell

It has a battery panel not very user friendly. It is difficult to remove batteries from the cell it may require a bit struggling.

Solution- Battery cells are in process to be upgraded till than you can use a screw driver or a sharp end tool to dislocate it from the cell.

Not for cold temperature

It cannot cope with North American winter temperature only workable for place aabove 45 degree f.

Solution- You can adjust the water flow and the heat to get the required temperature. It is a small unit with limited flow capacity and you cannot use it a t cold temperature up to 3.5 GPM that is stated as the highest GPM of the heater but if you choose less flow like 1.5 GPM than it will give you very hot water. Marey tankless water heater problems can be solved easily.

Frequently Asked Questions

  • Q-What is the exhaust discharge mode of this unit? Does it work indoor?
  • Ans- It is an outdoor unit works at indoor but install outdoor. It has a flue duct type discharge mode.
  • Q-How much water pressure it works on?
  • Ans- It works from 3.6-14.5 psi water pressure.


A lot of people reportedly need hot water in an outdoor wash basin for purposes like washing the chlorine off after a swimming or washing the pets off. Some other needs tankless water heater for travels; some need a dedicated water heater near the kitchen faucet. All these purpose needs a small light weighted tank less water heater like - Marey Power Gas 10L Tankless Water Heater. It may not be a whole house water heater but for a single appliance and outdoor occasions it is a safe option.

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