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Old 05-08-2019, 06:55 PM   #1
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Brand: Thor Motor Coach
State: Colorado
Posts: 6
THOR #10422
Smile 31Y Kinked LP Hose

I've been trying to start my Dometic furnace. It worked fine initially after purchase, but after several months it no longer lit. When I turned up the thermostat the furnace would attempt to light for 3 seconds, fail and try again. I had a mechanic trouble shoot the problem and he bench-tested the furnace-it worked great. The LP gas bottle is full and I can cook on the range-no problem with that. The mechanic discovered that the LP line is kinked. He stated, "Each time the slide out is moved the hose is kinked more. He said it will be irreversibly kinked. He also stated that the lines are long enough to compensate for the room moving in and out, however when the room is closed the end of the slot in the slide room floor presses against the hole in the floor that they are routed through. When the room is closed the furnace lights for a few seconds then sputters out as it is starved for fuel."

Does anyone have an idea of how to fix this so I don't have to replace the line?

Thanks,
Chris
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Old 05-08-2019, 07:53 PM   #2
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Brand: Thor Motor Coach
Model: THOR Chateua 35SF
State: Georgia
Posts: 3,444
THOR #11130
If you have relocated it and it no longer will kink, get a piece of rubber hose about 8 inches long with the ID the same as the OD of the gas line. Slice it lengthwise once, wrap it around the gas line (sleeve) in the kinked area and put a few hose clamps on it or wrap it with electrical/gorilla tape.
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furnace won't start, lp line kinked, slide

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