Marey GAS 5L - 1.89GPM Liquid Propane Tankless Water Heater

Quick Overview: No electrical connection required, pulse ignition, powered by (2) D batteries. Activated by water flow, not water pressure. Multiple safety sensors including auto cut-off, automatic ignition, anti-dry combustion, over-pressure, overheating, flameout protection, and twin solenoid valves. Convenient summer/winter switch to control your temperature all year round. 5-year warranty Features: Water-controlled automatic ignition This unit provides more comfort and energy savings in the form of lower gas consumption in warmer months. Sufficient flow is always required to keep the overheat safety sensor from shutting the unit off. Anti-dry combustion protection Over-pressure protection(when water pressure is over 145 PSI);