How is a bathtub drain connected?
Bathtub drains have two legs, one to the main drain opening and the other to the overflow drain opening. With a pop-up drain, linkage forces the drain stopper up or down by way of a rocker arm. With the plunger type, a hollow brass plunger slides up and down inside the drain assembly to seal the drain opening.
Are bathtub drain locations standard?
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.
Where is the trap on a bathtub drain?
A bathtub trap begins at the end of the tub drain assembly, where it is glued onto a fitting screwed to the drain outlet. The other end is glued to a length of horizontal pipe. It ties into the waste stack that empties into the sewer.
What are the parts of a tub drain called?
The waste and overflow system of a bathtub consists of a bath drain stopper mechanism and a waste and overflow pipe assembly. There are three main types of bathtub drain stoppers: the pop-up/lift-up, the plunger/lift bucket gate and the trip lever/rocker arm pop-up.
What are the rough in dimensions for a tub drain?
Rough-In Dimension Terminology
| Toilet | Shower/Tub | |
|---|---|---|
| Supply Line (Horizontal) | 6″ max from center | 8″ apart |
| Discharge/Drain Hole from Back Wall | 12 1/2″ | 14″ |
| Discharge/Drain Hole (Vertical) | 0″ | 0″ |
| Fixture (Side to Side Buffer) | 15″ to 18″ min | 18″ min |
How far should a tub drain be from a wall?
12 inches
Bathtub Drain Measurements The drain hole should be a minimum of 12 inches away from the wall and 9 inches in scope. To rough in the drain, use a 1.5-inch pipe.
How do you measure a bathtub drain flange?
Measure from the piping section where it branches out toward the drain over to the drain hole and write that horizontal distance measurement down. That will give you the length and width that is needed for your drain. Your local hardware or home improvement store should carry a bathtub drain that fits your needs.