Type: Posts; User: Haryy Homeowner
There was no trap in the condensate drain line. I installed a trap and vent and the knocking 's gone. Thanks.
Thanks so much. This is all very helpful guys.
I can say that the problem is not from vibration. That's what I had originally hoped was the cause. I've checked for that.
I guess it's possible...
By tee, I assume you mean a vent? I'm on it. Lowes here I come.
I don't remember seeing a trap up there. Do these EZTraps work?http://www.hvacsolutionsdirect.com/images/product_files/1711.pdf
Thanks for the response elroho. I bought the house last summer, the airhandler is older. I'll need to get back in the attic tonight to get the info.
It's a steady tapping or knocking sound. I removed the side cover from the air handler while it was running and the blower seems fine. No bearing problems or other noticable issues. If I completely...