Compact design saves space and is easy to install almost anywhere， Provide endless hot water on demand and only as needed. MAREY's unit has a maximum input rating of 68240 BTU/h and provide a flow rate of up to 2.64 GPM output. No electrical connection is required; perfect for off grid applications. This flow activated unit is perfect for areas with low water pressure. Ideal for indoor usage， apartment， cabins and tiny homes. Control your temperature all year round with a convenient summer/ winter switch. Adjustable manual temperature control， multiple safety sensors including overhead and anti-dry heating. Not recommended for elevations above 2，000 ft.
No electrical connection is required， pulse ignition， powered by (2) D batteries
Flow activated
Oxygen free heat exchanger (for improved heat conductivity)
Summer/winter switch provides more comfort and energy savings in the form of lower gas consumption in warmer months
Anti-dry combustion protection;
Compact design saves space and is easy to install almost anywhere
Flow activated， adjustable manual temperature control， twin solenoids
Multiple safety sensors including auto cut-off， automatic ignition， anti-dry combustion， over-pressure， overheating， flame out protection
Control your temperature all year round with a convenient summer/ winter switch
Over-pressure protection (when water pressure is over 145 psi)
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