Sail switch in 1976 Duo-Therm how to?
I have a older 1976 GMC class C 23' motorhome than is quite sound and runs great with 54k on it. There have been a few modifications to the propane tank (removed and using detachable 20 LB tanks) The ...
Forum Discussion
If the sail switch works, leave it alone and fit the battery. It's there for a reason and if the fan goes to slow you don't want the gas to come on.
