Rope Tow
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I'm air pressure testing my PVC DWV lines on a new house. I'm having a devil of a time getting the test plugs to seal in the drain opennings. The 4" work fine, but the 2" ones - for the w/d, tub, shower, etc. are all leaking. I'm using the simple wing-nut variety from HD. I've cleaned the plugs and opennings well. Tightened them well. They did sit the winter unheated, indoors, at the site. Could the rubber be "dry"?
Any advice? Get new plugs? Put vaseline on the rubber? Wrap with teflon tape?
Thanks
Any advice? Get new plugs? Put vaseline on the rubber? Wrap with teflon tape?
Thanks