pipe size for tub, floor, and bath sink drains

07-24-2007, 05:29 PM	#1
amakarevic Member   Join Date: Apr 2007 Posts: 2,072	pipe size for tub, floor, and bath sink drains should i use 1-1/2 or 2 in PVC pipe for 1. bath tub 2. floor drain 3. bathroom sink ? thanks, - a

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07-24-2007, 07:28 PM	#2
MechanicalDVR Mechanical Contractor   Join Date: Jul 2007 Location: Jersey Shore Posts: 115	pipe size for tub, floor, and bath sink drains Quote: Originally Posted by amakarevic should i use 1-1/2 or 2 in PVC pipe for 1. bath tub 1 1/2" 2. floor drain 3" 3. bathroom sink 1 1/2" ? thanks, - a Don't forget you need a trap purger for the floor drain. __________________ 100% Union and proud of it.

07-25-2007, 08:29 AM	#3
RippySkippy Member     Join Date: Feb 2007 Location: Ames, Iowa Posts: 1,233	pipe size for tub, floor, and bath sink drains Some showers are 2" Most sinks and tubs are 1-1/2" Many residential floor drains are 2" I really depends on what you plan on doing with the drain. Past houses have had both...and each worked equally well. If I were to plumb one in from scratch, I'd put in a 3" line.