Atwood water heaters are 14 pounds lighter than competitive brands. Heaters that also operate from an electric source can run off an electrical hook up or a generator. LP/Gas heaters include a 1,400 watt electric heating element, an electric thermostat and an on-off switch. Features include a high temperature limit switch, thermostat and pressure relief valve that prevent problems before they happen. A simple flip of the switch from inside our coach lets you turn your water heater on or off. An extended cold water inlet tube enables hot water to last 55% longer. Electric ignition heaters do not include remote-mount on-off switches with indicator lights. Output 10,000 BTUs of heat. 10 gal. cut-out: 15-1/2"H x 16"W x 21"D. Durable, powder-coated access doors are included. 1 per box.