[ccjohnson]

Hello from wonderful Gila Bend.  I think people here would gladly vacation in Hades to get some relief from the heat. Temps here have been 115-117 the last 3 days.  Since we have had the coach, +/- 5 years, the rear AC has always on occasion tripped the breaker.  Newell checked &serviced all AC's right after we got the coach.  I had assumed that it was possibly a weak breaker as it only happens when it is very hot. I would keep the breaker box door open to help keep breaker cool. What I have observed here is that it seems to be more dependent on outside temp than anything else.  Over 107-108 degrees it will trip in around 5-10 minutes.  Below 107 it runs continuously with no issues.  All night and throughout the morning until temps start to get over 107.   Both front and mid AC's work flawlessly all the time.  The breaker issue is only occurring with the rear AC and only when outside temps are over 107. Any guru ideas on the cause of this phenomenon?