Improving the heat in 5th wheel.
I have a 2013 Sandpiper 365saq. It's 43' long has 4 slides with 9' ceilings and the 35k btu heater is dismal at best. The warmest it could get when it was 30degrees outside is 60 degrees inside. The...
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I would think that if the burner is cycling on the high limit, you either need more hot air ducts, and/or return air. I think you are short on airflow.
