I have a 2006 Niagara with a Dometic RM7401L. It has worked well in the past and even better with the fan mod; however, this past year and a half it has been acting up and I cannot figure it out. I'm hoping for some advice before giving up on it and going a different direction. The problem: Fridge will work good on AC & DC power, but will hover in the high 40's to low 50's on propane even when ambient is in the 60's. Steps taken to try to resolve the issue: 1 - I've read that the most common resolution to this has been to clean the burned and jet. I've cleaned the "crack pipe" a couple times throughout the months just to make sure I did it right the first time. Currently have a tall blue flame. 2 - I have also read, from this group, that cleaning the flue will help with the heat transfer if the pipe is corroded. I removed the fridge and looked at the pipe. It didn't look like there was any corrosion on debris inside the pipe but at this point, I might as well do it since it was already taken apart. I took a brass wire brush down the pipe and some sand paper on a dowel, reassembled it, and reinstalled it. 3 - Another tip I read up on was to "burp" the fridge. At this point, I figured its still not working so it could only help. Took the fridge out, flipped it for several hours, and reinstalled it. 4 - After all this time and effort with no cure, I kept researching and decided to check the propane supply. I bought a low pressure manometer and checked my line. It was holding 10" WC. Being on the bottom end of the range, I decided to replace the regulator and re-test. Holding just over 11" WC. After all this, I tested it for a night and was holding good temps. I got all excited and thought I was good to go but after our next trip out, it was back to the same. I fired it up recently to check the flame and it's still good. Temps are still in the high 40's to low 50's. I did notice that the freezer section is working tho. I put the thermometer in there and it read 6 degrees and probably still pulling down some. Does this tell me that the propane system is working correctly? Where do I go from here? Thanks for any advice.