Insufficient cooling on gas.......OK on electric
11" gas pressure
Clean burner slots......flame directly under flue opening
Clean flue & baffle.flue cap in place
Baffle correct position----1 3/4" from burner to bottom of baffle
Flame not going out is because temp never reaches set point
You know cooling unit is OK cause it cools down properly with electric element same for t-stat
Clean up burner components.....especially orifice, burner slots and baffle and check the gas pressure 11" WC with 50% of other propane appliances in use and no more than 12" WC w/o any in service... TEST port right at gas valve