Shower valve socket for removing tub and shower stems. Measure the centers of the shower faucet valve body from the subfloor to the center height of the valve body and the side centers from the shower back wall with a tape measure.

Shower Faucet Installation The Family Handyman
Plumbing shower valve body measurement. I find most average size folks feel comfortable with that height. Delta multichoice 12 in id pex x 12 in od pex brass shower valve. A new shower will have plumbing for the shower valve which installs in the wall cavity behind the wall with the shower head and adjustment knob. Rough in shower plumbing specs. Item 1185030 model 708355. I personally use 30 valve body centre from floor.
Set your store to see local availability add to cart. Get free shipping on qualified valve stem wrench plumbing wrenches or buy online pick up in. Rough framing for a shower valve installation. If the tiles around the shower are loose show mold often or there are stains on the ceiling surrounding the shower set up you may want to check the plumbing and your shower valve. The valve spout and shower head should be centered side to side in the interior of the shower. If youve become used to framing regular walls with studs 16 inches or perhaps 24 inches on center youll have to tweak your approach slightly.
Once you have the valve body secured then you can measure your spout and shower head from your valve. A height of 28 inches or 2 feet 4 inches is standard for valves in bathtub shower units. Brasscraft old style faucet valve body wrench for mixet faucets. The size if the mounting screws would depend on your set up and how you plan your blocking so that will vary. Flow of less than one or two ftsec can also be a problem. Showers set in bathtubs require lower valve heights because the valve must connect to both the shower and the bath tap.
The height of the valve for a shower depends upon whether you need it for a shower stall or a shower set in a bathtub. Based on the diameter of the pipe 12 in type l 072 gpm flows at 10 ftsecond so this would suggest a maximum of 36 gpm for the pipe assuming 5 ftsecond. Like the size of the pipes and the location of the drain. Leaking water from a shower valve can build up behind the wall and compromise the integrity of the walls. Armour line 2132 in. Measure the remaining plumbing valves pipes and shower arm that protrude through the shower walls.
For copper pipe hot 50 c water should only flow at approx 5 ftsecond. The depth of the shower valve to the finished wall surface is critical too deep and the handle wont fit on the stem. Set it too shallow and the stem sticks out from the wall and the trim wont fit.