Tileman Tile Man Messages 3 Reaction score 0 Points 0 Location New York Dec 16, 2009 #1 What is the main reason a stand up shower needs a 2" drain and a Tub, which is also used as a shower uses a 1 1/2" drain line.
What is the main reason a stand up shower needs a 2" drain and a Tub, which is also used as a shower uses a 1 1/2" drain line.
hj Master Plumber Messages 33,613 Reaction score 1,057 Points 113 Location Cave Creek, Arizona Website www.terrylove.com Dec 16, 2009 #2 drain The tub will hold a lot more water before it overflows.