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Home!Study Guide Plumbing Water Softener Installation Defects. And this is a tremendous waste of softened water. Air gap at water softener drain, drinking.

Proper drain/air gap for water softener Author: Calfman (IL) Installing my own water softener after the local company told me they would drill and tap a fitting directly into my sewer line for the softener discharge. This is what I did. It doesn't work. Not enough vertical distance between p-trap and vent so water comes out vent. Also after finding this website it probably does not qualify for an air gap.

My thought was that the T would achieve a 1 1/2' air gap which is greater than twice the diameter of the line I am draining. Is this salvageable or should I move to another location where I have more room (3rd pic)? My floor drain does not drain and is not an option. For the other location I would Y into the 3', then to a p-trap with with 18' of 1 1/2' pipe on top then a 3' reducer inverted. The discharge from the softener will be carried to this drain with 1/2' pvc. I know this does not prevent sewer back ups into the basement, but should be a legit air gap. Adobe Flash Stickman Animation Free Download.