Current plumbing codes (IPC as well as MA Plumbing Code 248 CMR 10 for instance) need 1.5 inches to drain for a tub with a shower. The tub can drain at leisure and the shower function when in utilize, with flow-limiting showerheads, fall within the flow rate that a 1.5” drain can handle.Feb 21, 2021
Does shower drain have to be 2 inch?
A 2-inch pipe is the recommended size because showers have a low threshold for flooding, and a 2-inch pipe helps the water drain faster than does a 1 1/2-inch pipe.Aug 8, 2021
What is the minimum size shower drain?
The minimum size for a shower trap drain is 2 inches if it is a new installation. If you are replacing an older shower or tub, you might find that the existing trap and pipe are 1 1/2 inches.Apr 23, 2020
What size of drain is required for a combination tub shower?
1 1/2-inch
Can you use 1.5 inch shower drain pipe?
The tub can drain at leisure and the shower function when in utilize, with flow-limiting showerheads, fall within the flow rate that a 1.5” drain can handle. ... Tub manufacturers make tubs with 1.5 inches drains, so this is accepted practice.Feb 21, 2021
How many GPM can a 1 1 2 drain handle?
A 1 1/2 in. drain can easily accommodate 4.9 gpm for cast iron and 8.3 gpm for PVC. While the flush typically occurs within 12 seconds, the flow levels out quickly in the drain.Jul 25, 2016
Can a shower drain be 3 inch?
The majority of shower drainpipes are two inches in diameter, but if you have two-inch drains and you run into a three-inch drainpipe, you'll be making another trip to the plumbing supply store. ... With a two-inch drainpipe, the body of the drain fits over the pipe; with a three-inch pipe, it fits inside.Feb 10, 2021
What size pipe should be used for a shower drain?
2-inch
What size PVC pipe is used for shower drain?
two-inch
How do I know what size my shower drain is?
https://www.youtube.com/watch?v=Ew3Pl_82cFE
Can you use a shower drain for a sink drain?
Yes, the drain for the shower and the sink can be the same. The shower and sink can use the same drain pipe if it is well below the sink and shower level.Oct 15, 2021