Onan 5500 generator propane problems
UPDATE -- PROBLEM SOLVED
I went with what the cummins tech recommended below. Split the bottles and dedicated one bottle to the genset with 3/8" line. Works fine now.
I purchased my 2011 Montana from Camping World and had them install an Onan 5500 propane generator in it. The generator has not worked properly since day one. It seems to run better in real warm weather, like above 80 F., but keeps dying out in cooler weather. It seems to be a propane delivery problem. I had it looked at by a Cummins dealer, and the tech said it needed bigger fuel lines (from 1/4” up to 3/8”). Camping World replaced the lines as recommended and also replaced the regulator, but the problem remains. Now the Cummins tech says it cannot be tapped off the same line running to the furnace and needs to have one tank dedicated to the generator (the furnace is not running when the problem occurs so is not putting any draw on the propane). Camping World says they have always installed generators this way (tapped into propane line to furnace) without any problems.
Has anybody else run into this problem of a generator not getting enough propane?
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