I HAVE a Dometic 320 and mine does the same thing. Gradually got worse over summer to where it started leaking after 12 hours or so. They sent me a new gasket under warranty but I haven't used it yet since I live in AZ and don't travel when the weather is good here.
__________________
Tom and Gail
2013 Mountaineer 362
2012 Silverado 2500
|