How far from the wall is a bathtub drain?
12 inches
You will need to cut a hole in the floor at the drain end of the tub to position the tub drain and install it. The hole should be at least 9 inches wide and 12 inches from the wall.
Is tub drain location standard?
On a standard tub the drain will be about an 1 1/2 inches off the frameing behind the drain. Like Pinhead said the center will depend on the tub. Tub traps connect below the overflow not the drain. You can get rough in specs for most tubs online.
Do all tubs have same drain location?
How a Tub Drain Works. All bathtubs drain in basically the same way, with a drain assembly located on the bottom of the tub linked to an overflow that may or may not have a toggle switch. A vent pipe is connected to the drain pipe to allow air into the system while also allowing gases to escape.
How big of a hole do you need for a bathtub drain?
The position of the tub drain will vary, depending on the size and design of the tub, and you’ll need to cut an access hole in the floor at the drain end of the tub to allow for positioning and installing the drain line. This hole should be 9 inches wide and extend at least 12 inches from the wall.
Do You need A P-trap for a rough in tub drain?
Plumbing Rough-In You’ll rough in the tub drain with 1 1/2-inch pipe with male threads that extend 1/2-inch above the level of the floor. The drain will also require a P-trap and must be vented; specific requirements for the trap, drain line and vent will vary by local building codes.
Where to put drain line in claw foot tub?
If you’re installing a claw foot tub, the drain line will be exposed, so the hole in the floor will need to be more precise. Drop a plumb line from the center of the roll at the edge of the tub; the point where the line meets the floor is the position of the drain rough-in hole.
Can a bathtub drain be a wet vent?
A bathtub drain can utilize a wet vent, which is a system that functions as both a vent and a drain for multiple fixtures. In this case, the tub’s drain line would connect to a vent stack to which the drain lines of other fixtures are also connected.
The position of the tub drain will vary, depending on the size and design of the tub, and you’ll need to cut an access hole in the floor at the drain end of the tub to allow for positioning and installing the drain line. This hole should be 9 inches wide and extend at least 12 inches from the wall.
Plumbing Rough-In You’ll rough in the tub drain with 1 1/2-inch pipe with male threads that extend 1/2-inch above the level of the floor. The drain will also require a P-trap and must be vented; specific requirements for the trap, drain line and vent will vary by local building codes.
Where is the trap weir on a fixture drain?
The trap arm is the portion of a fixture drain between a trap weir and its protecting vent. The trap weir is the point at the bottom of the trap arm pipe where it connects to the trap.
If you’re installing a claw foot tub, the drain line will be exposed, so the hole in the floor will need to be more precise. Drop a plumb line from the center of the roll at the edge of the tub; the point where the line meets the floor is the position of the drain rough-in hole.
