Originally Posted by Greg Moe
I just bought a 1996 Country Coach Allure 36' Great Room and am working out the bugs. The furnace lights and after 3-4 minutes the fire goes out and it just blows cold air. Any ideas on the cause would be appreciated.
Sounds like a thermocouple problem. It is not sensing the heat from the flame and shutting the furnace down.
This is a picture of the burner from my refrigerator, the black tube with the gray end is the thermocouple
Replacement is generally an easy task.