Posted by Terry Love on June 09, 1998 at 01:38:38:
In Reply to: Drain vent posted by chris m on June 08, 1998 at 15:19:49:
Chris,
Using a three inch pipe for the tub is not the right thing to do.
Moving the vent closer to the tub waste would be the solution in this case.
Most tubs use an 1-1/2 trap and trap arm, the vent should be within 42".
Terry