varmint
Elite Member
- Joined
- Mar 17, 2003
- Messages
- 2,571
- Location
- Northern Maryland
- Tractor
- Kubota B8200, then a Kubota L3130 HST, now a Kubota L3400 HST
I have a small wall mounted direct vent propane heater, about 5-6 years old, that was working fine every winter until now. I usually have to clean the pilot thermocouple tip, but that's it. But now, the main burner flame is nice and blue close to the entry end, but mostly yellow at the far end. It shuts down after a heat cycle roughly, usually extinguishing the pilot. I relight it, and it may work okay for a day or so, but then shuts off on it own. I can't really access the main burner tube without a major teardown, and I don't have replacement gaskets... Gas pressure is fine- about 11 inches water column.