Forum Discussion

mhenry79's avatar
mhenry79
Explorer
Apr 25, 2017

Dometic RM2453 freezes everything, only on propane

Hi, I have a Dometic RM2453 with manual controls (piezo lighter) which works perfectly in AC and DC modes, but on propane everything freezes within a few hours. Doesn't matter if it's 40 or 80 outsid...
Seeking Advice
Chris_Bryant's avatar
Chris_Bryant
Explorer II
Apr 26, 2017
If the thermostat is cycling on electric but not gas, it sounds like the o-ring on the bypass screw is bad or missing-



There is a tiny o-ring on the small end of the bypass screw- if this is bad, you will get full flow of LP at all times.

About RV Tips & Tricks

Looking for advice before your next adventure? Look no further.25,115 PostsLatest Activity: Feb 27, 2025