Wanting to check flue pipe for blockage

Questions about repairs and parts for Nordyne furnaces, air conditioners and heat pumps for manufactured homes including Intertherm, Mac and Miller brands. Click here for Nordyne parts.

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justplumducky
Posts: 48
Joined: Mon May 31, 2010 12:32 pm

Tue Nov 19, 2013 2:16 pm

Nordyne/Miller Standing Pilot, LPG
Model #: MGHA-075AAFC-01
Serial #: MGH9108-03007

Wanting to check for blockage in the flue pipe from furnace to roof top vent. Never done that before and I assume I could remove the vent (roof jack?) on top and look down the pipe, but according to a parts illustration, it requires a bit more than that. The pipes exiting the top of the exchanger roll over to the right side to connect to the duct coming down from up top.

Wondering how I could check for blockage "all the way through."
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DaleM
Posts: 385
Joined: Wed Apr 07, 2010 10:07 am

Tue Nov 19, 2013 8:44 pm

Short of using some type of "spy" camera you won't be able to check the entire heat exchanger for a blockage. Odds are if it's running and not going out during full burn and not cycling on limit, you're good to go.

justplumducky
Posts: 48
Joined: Mon May 31, 2010 12:32 pm

Tue Nov 19, 2013 8:54 pm

Thank you kindly good sir.

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