Atwood water heaters are 14 pounds lighter than competitive brands.  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 your 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.