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Old 05-24-2018, 04:16 AM   #1
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Suburban furnace

I have a suburban furnace that wont lite. The fan runs but does not ignite. I pulled the furnace out and bench tested it. The igniter sparks and then stops sparking, and I think the gas valve closes because there is a thump. Does that mean the gas valve is bad?
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Old 05-24-2018, 07:28 AM   #2
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Did you check that you are actually getting gas flow? The ignitor will stop and gas valve close if flame is not proofed within a certain time. Check the gas nozzle for obstructions
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Old 05-24-2018, 08:43 PM   #3
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What year and model is your camper?
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Old 05-24-2018, 08:57 PM   #4
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its summer time. Why you running the furnace?
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Old 05-24-2018, 09:04 PM   #5
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You could fabricate a test line with LPG tank and regulator. If its like what I am familiar with it will be 1/2 SAE flare connection.
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Old 05-25-2018, 04:07 AM   #6
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Quote:
Originally Posted by blipka12 View Post
What year and model is your camper?
2001 Salem 28fk
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Old 05-25-2018, 05:36 AM   #7
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Quote:
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its summer time. Why you running the furnace?
I don't know where the OP lives but I used my furnace last weekend. It was 37* when we got up Saturday morning.
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Old 05-25-2018, 06:01 AM   #8
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I had a issue with my new Cherokee not igniting and found out that the factory put in the wrong igniter. The igniter was not long enough to reach the gas port.
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