Goodman furnace leaking


  #1  
Old 10-27-18, 04:00 PM
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Goodman furnace leaking

I found some water on my basement floor coming from my Goodman GMV950704CX (95% upflow furnace). I took the covers off and found water coming out of the bottom right of the collector box. I dried it up, turned the furnace on and watched. After a few minutes, the left drain tube of the collector box started making a gargling sound (see video) so I disconnected the tubing. I was able to make it drain by pressing my finger on it. Then, after a few more minutes, the right side finally started to leak. This leak is getting into the bottom furnace chamber (actually hitting the small transformer and rusting it, almost on the main board). I kept watching, and after the inductor motor stopped spinning, a LOT of water came out of the left drain that I had the hose disconnected from.

It seems like the collector box isn't sealed properly. Would this cause the gargling and then sudden ejection after the inductor motor stops?

This was installed in 2009 and I have 1 year of parts warranty left. Is this something that I likely need to have an HVAC tech come out and fix? I'm very handy, but would feel better if a qualified tech came out instead.

Thanks for any help!

https://youtu.be/L0qWXtHnJ1M

(Sorry the video is sideways!)
 
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  #2  
Old 10-29-18, 11:36 AM
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It appears to me that the heat exchanger gasket is bad and leaking.

The gasket is between that black plastic cover with the crews/nuts on it and the heat exchanger itself.
 
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Old 10-29-18, 12:20 PM
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These furnaces produce a lot of condensate that must be drained from the ID fan and combustion chamber. Make sure that all the drains are open and not plugged or restricted. On my furnace, I have to flush these drains to get rid of the debris that plugs the drains.
 
 

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