Get endless hot water on-demand! The Girard Tankless RV Water Heater provides hot water at the precise temperature you set it to. The onboard microprocessor intelligently drives the inner workings of the heater, monitoring incoming cold water temperature, flow rate, and outgoing water temperature. It also regulates the burner so that you get a constant, steady water flow. This RV tankless water heater is a breeze to install. It fits into any tank water heater opening and requires no special plumbing or modifications to your rig. The water heater door is hinged, making it easy to open and close while maintaining quick and convenient access. The Girard Tankless Water Heater comes with a user display that allows you to see the operating functions of the unit and adjust temperatures from 95°F to 124°F. The digital controller also displays visual diagnostic information for easy troubleshooting if issues arise.• 42, 000 BTUs provide optimal performance for RV plumbing• 12V power that operates at less than 3 amps• Equipped with quiet, brushless motor• Onboard microprocessor monitors inlet water flow, inlet and outlet temperature• Microprocessor regulates the burner to maintain set hot water temperature• Comes with a digital user control panel• Freeze protection enables reliable winter use• Measures 12.5"H x 12.5"W x 13.75"D Regulates the burner to maintain the set hot water temperature Built-in freeze protection no bypass needed to winterize No tank means no anode rod needed to protect against corrosion