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Old 12-01-2022, 11:17 AM   #15
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Quote:
Originally Posted by millwrightD View Post
Went out this morning and it’s actually the propane detector that was going NOT the Carbon Monoxide
Check for Propane leak at fitting for furnace......
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Old 12-01-2022, 11:26 AM   #16
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Check for Propane leak at fitting for furnace......

I will

I’m working on getting it out and apart for washing
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Old 12-01-2022, 11:42 AM   #17
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I do have a question. The heater has a 1.5 flex hose coming out of the heater but the other end is not connected to anything, is it supposed to be?
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Old 12-01-2022, 12:36 PM   #18
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Quote:
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Went out this morning and it’s actually the propane detector that was going NOT the Carbon Monoxide

Either one is not good to have going off, and still indicates a problem that could kill you. Are you sure the propane detector is not a combination Propane/CO detector? because a lot of them are combo units. At this point it is irrelevant, from everything you have posted you have a dangerous problem with your furnace that threatens life no mater what detector is going off.



My recommendation at this point is that you call in a qualified RV Repair service.


Good luck,
Dave
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Old 12-01-2022, 01:38 PM   #19
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I think this might be where the issues is coming from



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Old 12-01-2022, 01:52 PM   #20
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When you burned up the 'nest' it damaged the gas valve/combustion chamber gasket

Will need new gasket once you have washed out the heat exchanger
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Old 12-01-2022, 02:53 PM   #21
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I took the heat exchanger and washed it out real good and I did have a mud dobber nest it there up by the gas valve. I will sit down tonight and order another gasket( need to look up part#) , anything else I should replace while it’s apart?
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Old 12-01-2022, 05:16 PM   #22
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According to Dometic's website they don't show a gasket.
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Old 12-01-2022, 05:27 PM   #23
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Deeper search shows FOAM ASTRO #473886 AF060 GRN, But no part #. When I search for in on the internet I come up with nothing.
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Old 12-01-2022, 05:35 PM   #24
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I found this

https://www.amazon.com/UNCO-Grill-Ga...9941143&sr=8-7

Will this work? Only rated for 500 degrees
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Old 12-02-2022, 07:41 AM   #25
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Since I can't find a Dometic gasket, I have no idea what to use
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Old 12-02-2022, 07:53 AM   #26
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I don't know how hot it gets but there are some 2,100 F rated materials on this page. I don't think it gets that hot, even my propane forge which purposely traps in the heat only gets to 2,300 or so, with air blowing through it won't get anywhere near that hot.
https://www.amazon.com/high-temp-gas...asket+material
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Old 12-02-2022, 08:09 AM   #27
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I found some foam gasket material that is rated to 700. I did find some rope style gasket material that's rated to 1000. Im wondering if I can not use a gasket, The gasket that was use is so thin
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Old 12-02-2022, 08:18 AM   #28
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I don't know. When we used to hot rod Briggs and Stratton powered minibikes we would use heavy aluminum foil for the head gasket, but that was a solid, machined surface. Did you see the 2100F white material?
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