Marey Power Gas 10L Tankless Water Heater Review

By Robert Flores / May 21, 2020
Marey Power Gas 10L Tankless Water Heater Review

Propane-fueled, instant tankless water heaters will guarantee hot water when you need it and tighten the purse strings. They add a whole new ballgame with a different style to heat water in chilly climates without costing you an arm and leg.

Propane has low carbon emissions and dissipates less energy. In an ever-evolving market, our Marey Power Gas 10L Tankless Water Heater Review discusses an electricity-free unit that works very fast at low level water pressure. It cuts back 60% of your energy bill and lasts for decades keeping up to 87% efficiency level.

Easily installable, you can fix it at multiple points of use. You can heat large volumes of water as required in a trice. 

The Marey Power Gas 10L will serve up endless hot water with optimum energy efficiency. No electricity needed, its natural gas and LP-powered which consumes 50% less energy, costing less to run, than the electricity variety.

Liquid propane has double the BTU or heating efficiency giving you an option that burns cleaner and heats water with superior performance. The unit will only guzzle the gas or LP once you turn on a faucet with water flowing out.

 It shrinks utility bills and ensures you do not keep gas continuously. It uses 60% less power compared to conventional water heater. When you use natural gas, you get 23% more efficiency than a traditional storage model with 60% efficiency.    

2. Electric Pulse Ignition 2 D Cell Batteries 

The igniter of the gas-fed Marey model utilizes 2D cell batteries and electric pulse-no electricity. The cell batteries ensure the system has a constant supply of heat to spread in the unit.

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Heating springs from a dual ignition device with an ion in the assembly to detect the flame. The ultra-sensitive electronic ignition fueled by 2 “D” cell batteries make it ideal for off-grid or far-flung areas with no electricity.

 With the two “D” cell batteries, you can get hot water virtually anywhere. Auto-ignition minimizes installation costs as you don’t need an electrical connection. The 2 D replaceable batteries bring convenience and flexibility dearth in standard electric water heaters.      

3. Anti-combustion, Anti-Freezing & Gas Pressure Safety Protection

The Marey Power Gas 10L provides energy savings through the combustion unit’s summer/winter switch. Due to the frigid temperatures during winter, the system amplifies the flame’s size to offset for the additional heating that’s needed.

It regulates energy depending on the climatic conditions prevailing to save more energy. The unit integrates auto-cut off defensive system that turns off the gas delivery if the flame fades for any reason.

An anti-freezing protection feature removes the water discharge valve to build up the standing water in the internal piping. It prevents freezing of the water. The copper heat exchanger resists corrosion and its rust-proof to deter water loss from leaks.   


4. Low Water Pressure Startup 

The unit works seamlessly with low levels of water pressure. The manufacturer’s recommended water pressure: 3.6 - 145.0 PSI derives from advanced startup technology. It can activate with merely 3.6 psi of water pressure.

Its rivals fade in comparison to this technique as they work with a pressurized pump or at least 20 to 30 psi to fire due to their obsolete systems. Accordingly, it’s suitable if you have low water pressure and need hot water delivered to upper floors.

As long as you maintain sufficient low, the sensor will not shut down while it does not overheat. Even if piping and fittings have pressure loss, it does not cause low flow rates at fixtures such as shower heads.   

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5. Digital Panel Display 

The Marey Power Gas 10L digital panel display shows outgoing temperature. At a standard tap flow of 1.5 GPM, you can raise temperature by 67 degrees Fahrenheit. The LCD display manifests an accurate outlet temperature which keeps output at the exact comfort level which you want.

It makes it a breeze to configure the unit without second-guessing the temperature of the hot water output. Additional gas and water control knobs adjust flow efficiently as well as prevent temperature fluctuations due to low liquid pressure.

You can also decrease the amount of gas spent when the unit heats up at extremely high temperatures.    

Why should you use Marey Power Gas 10L Tankless Water Heater? 

Compressed, Space-Saving Design 

Your Marey unit’s compactness frees up chunks of space encroached by conventional tank-type units. It’s also super-lightweight and aesthetic with easy installation anywhere in your house. Plus, you do not need a patchwork of electrical connections to get it going.

Anti-Combustion & Gas Pressure Safety Protection

The anti-combustion feature prevents dry-ignition by automatically shutting off the gas supply. The gas pressure protection inhibits overkill levels to avoid damage. It also boasts other safety controls that make its operation a piece of cake.



The Marey Power Gas 10L Digital Panel Tankless Water Heater serves up endless hot water with optimum energy efficiency. You can go for LP with BTU efficiency. It heats up in nanoseconds and only consumes gas when you open the hot water faucet.


The Marey stands out as an environmentally-friendly product fueled by a natural source of energy to warm water. The water heater also spews negligible greenhouse pollutants, making it an overly nature-hugging system.  

Pristine Crystalline Water 

Given that the unit does not accumulate rust, your water remains safe, pure and clean for healthy consumption. You can count on it for fresh and crystalline water for residential applications. It gives a peace of mind in a world lurking with clandestine contaminants such as lead.

Product Benefits

•    Thermal efficiency (54% - 87 %;), heats up in a trice and only sucks up gas when a faucet flows with water

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•    Easy set-up and integrates auto ignition

•    Compatible with both Liquid Propane and natural gas

•    Digital display and gas/water control knobs for precision

•    Corrosion-proof heating element and rust-free

•    Works smoothly with low levels of water pressure

•    Anti-combustion and gas pressure defensive systems

•    Maintains 87% efficiency rate throughout its natural life

•    Electricity-free works with 2D cell batteries off-grid

•    100% compliance to the pre-requisites laid down by the Department of Energy

•    Super-DIY-friendly for simple installation and replacements.

the negative things

•    Hot water supply per minute at 3.1 gallons per minute too shallow compared to the competition rates 

FAQ - Frequently Asked Questions 

1.    What does Flue duct type connote?

A flue duct refers to a tube, pipe or crevice in a chimney for delivering exhaust gases from a kiln, water heater, and boiler outside.

2.    Can you install it outdoors or it won’t survive the ravages?

It’s strictly for indoor use.

3.    Will this unit feed enough water with pressure for my shower?

Yes, but you’ll have to adjust pressure.

4.    Does anyone know the exact product dimensions?

24" x 14" x 7" and Weighs approx. 21 lbs.

5.    Can this model run purely on propane as it's prevalent where I live?

 Yes, it’s available on LP and natural gas.

Final Verdict

The upshot of the Marey Power Gas 10L Tankless Water Heater Review urges you to add it to your cart or share it on social media for more grapevine exposure. You will not have to grapple with electrical connections. It comes in a compact, lightweight and space-saving design suitable for mounting indoors.

It boasts a digital panel display showing the output water temperature so that you don’t have to pluck off ballpark figures from the air for outlet settings. Electronic pulse ignition with two D-cell batteries makes it convenient for off-grid areas. Besides, it’s ultra-efficient and greener than standard electric water heaters.   

About the author

Robert Flores