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 68,240 BTU/h and will provide a flow rate of up to 2.64 GPM output. No electrical connection is required; perfect for off-grid applications. Its small to medium water production is ideal for indoor usage, apartment, cabins, and tiny homes. You are able to 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. It is not recommended for elevations above 2,000 feet.

• Compact design: saves space
• Requires very little water pressure to activate
• Simple to operate and easy to adjust
• No pre-heating
  

• No electrical connection is required, pulse ignition, powered by (2) D batteries
• Adjustable manual temperature control, multiple safety sensors including auto cut-off, automatic ignition, anti-dry combustion, over-pressure, overheating, flame out protection, twin solenoid valves
• Control your temperature all year round with a convenient summer/ winter switch
• Unit provides more comfort and energy savings in the form of lower gas consumption in warmer months
• Requires very low water pressure to activate

• Sufficient flow is always required to keep the overheat safety sensor from shutting the unit off
• Anti-freezing protection
• Only uses gas while water is flowing
• Anti-dry combustion protection
• Over-pressure protection(when water pressure is over 145 psi

• Product Depth:6.9"
• Product Width:13.58" 
• Product Height:23.62"
• Product Weight:10.14 Pounds
• Gas Connection Size:1/2" NPT
• BTU:34120 BTU's/h
• Minimum Activation Rate:0.65 gal(us)/min
• Minimum Temperature:6.8℉
• Maximum Temperature:66℉
• Required Volt Connection:DC 3V
• Uniform Energy Factor:0.93
• Vent diameter (in.):4"
• Vent Type:Aluminum duct
• Water Connection Location:Bottom
• Water Connection Size (in.):1/2" NPT
• Wattage (watts):＜1 W
• Pressure rating (PSI):0.406 PSI "

• User's Manual