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JohnCape
04-29-2007, 06:52 AM
I recently installed a new low volume toilet in a one story house with 3" drain pipes and 1.5" vent pipe. Result, poor flush results and a bit of bubble up. Would this be rectified by larger drain system? If so my problemn is entire pipe to septic is 3"! I could go to 4" from toilet to wall...

JohnCape
04-29-2007, 07:51 AM
Its a Kohler