How do I vent an old home but drainage plumbing improperly installed 10 yrs ago?
The laundry drain gurgles when i drain the bathtub and the bathroom sink gets an odor of sewer gas. Also when i drain the kitchen sink, which is a double basin model, the waste water rises up into the other basin about 1/2 inch above drain before draining out. I don’t see any vent pipes [...]
