Description Girard's new 2GSWH is the culmination of years of research and experience. We listened to our customers and incorporated everything they wanted into our new Tankless Water Heater. Endless hot water that is easy to operate, turn on the hot water and add cold water to the desired temperature. The on-board micro-processor monitors the incoming cold water temperature, the flow rate and the outgoing hot water temperature to maintain a constant, steady hot water flow. Features & details Regulates the burner to maintain the set hot water temperature.Freeze protection - designed for winter Use 42,000 BTUs which provides the optimum performance for an RV's plumbing No special LP gas lines or special plumbing required Quiet brushless motor 12V power operates at less than 3 amps