Thank you that was a great article with illustrations on an RV fridge. Illustration looks quite similar to my norcold burner/flu setup. Still getting a buildup on the flame meter probe even after correcting the WC pressure to 11. Next step was to try addressing any blockage in the flue tube. Was unable to get the cap off the flue tube. Ended up rapping on the tube at the top and bottom to try and free up any buildup. Then blew a little compressed air down the top of the flue pipe with the burner vents covered. Really didn't seem to get any residue out of there. When I get to permanent shore power and am running on electric again, I will wrestle with getting that flue tube cap off and figure out how to remove that baffle. Not much clearance in that workspace
as it is down below eye level unfortunately. Will report back on what I found. Thanks. -Ken
