The pilot is manually lit when the destination is reached and hot water is available in less than 30 minutes. Additional features: *Serviceable - 95% of all serviceable components are accessible through the exterior door. This reduces service time and virtually eliminates the need for service personnel to enter your coach. *Multiple protection features - Problems are prevented with the high temperature limit switch, thermostat, and pressure and temperature relief valve. An externally sealed combustion chamber keeps the outside of the unit clean. *Pre-skin installation - Atwood water heaters can be installed and tested on the coach floor before the sidewalls are set in place. This gives manufacturers more flexibility and virtually eliminates potential problems by testing the unit before the skinning is installed. *Matching access doors - Atwood access doors are painted with tough, durable paint. *Aluminum clad tank - Less weight and the cladding eliminates the need for an anode rod.Shipping Weight: 10 lbs Dimensions: 21" x 18" x 15"