Trynforpar Report post Posted September 11, 2015 I cannot get hot water to operate. This is the Atwood Insta Hot the came with my 2016 Itasca Meridian 40R. When faucet is turned on the unit come on but does not fire. LP is on and the unit worked last week. Any suggestions would be appreciated Share this post Link to post Share on other sites
kaypsmith Report post Posted September 11, 2015 Is it possible that you have a fuse blown to the unit, or possibly a dead battery? My instant hot water, not an Atwood, had one D cell battery that required replacing about once yearly. Atwood is probably on 12 volts, so I would check for a possibly blown fuse. These units use voltage to light. Share this post Link to post Share on other sites
manholt Report post Posted September 11, 2015 Call or Google Atwood and get an electrical schematic for your unit....then do the same with Winnebago. You got to get both! Carl Share this post Link to post Share on other sites
rowe251 Report post Posted September 12, 2015 Check for a over temp switch on the unit . Mine has a reset stem on it. Push and go. These units seem very sensitive to air in the system. Share this post Link to post Share on other sites