TUB OVERFLOW DRAIN INSTALLATION HOW TO
TUB OVERFLOW DRAIN INSTALLATION INSTALL

TUB OVERFLOW DRAIN INSTALLATION INSTALL

If you’re not yet ready to install your tub, you can also cap off the drainage pipe just before it connects to the P-trap. Once you’re certain that everything fits and is the right size, you can use pipe glue to secure your plumbing. You may want to use a board and a bubble level to ensure you maintain this slope. Use a level to make sure that your waste pipe maintains a ¼” per foot slope. You can then attach your already cut PVC pipe to that. If the waste line is cast iron, you’ll want to use a cast iron threaded inlet and screw in a PVC male adaptor. Cut your waste pipe and install an angled fitting with a connection to the size of drain pipe you are using.Ĭut the waste pipe and install a sanitary tee with a 1 ½” outlet facing the trap.

TUB OVERFLOW DRAIN INSTALLATION HOW TO

You can read more about how to vent a bathroom drain here.įrom the new drainage hole, measure the distance between the waste pipe and the drain pipe you’ve just cut. This should be inside the wall, so make sure you cut your pipe to that length. Fit your vent pipe into that and branch it off to the vent stack. Cut your first length of pipe where it will most conveniently allow you to angle off to that stack. If you can connect to the bathroom vent stack or to the vent branch, you should. Here, you’ll want to assess where your vent stack is. Place the VentĬut a length of PVC pipe a minimum of 4” but no more than 5 feet and fit it into the P-trap. Debur it and fit it inside of the female threaded adapter. Cut a 4” length of 1 ½” PVC pipe as a nipple. Wrap plumbing tape around the 1 ½” female threaded adapter and screw it into the drain on the bottom of the tub. Here, you should check your bathtub drain plumbing diagram (this comes with the kit) for more details. Here, your drain should look like an L, with a raised spillover drain connecting to a standard drain under the tub. The first type of drain is the most common. In the latter, you’ll want to run a PVC line from the drain to the P-trap. In the first instance, you can simply proceed with the next steps. It may also connect just behind the P-trap. Depending on your kit, it may route spill off directly into the main drain. This guide assumes the waste pipe is already in place.Ĭheck your bathtub drain kit and assemble it. Normally, wastepipe must be laid before you put in the subfloor, but you may be able to slide it into place otherwise. If you haven’t laid your waste pipe, you’ll want to do that in advance. Importantly, the hole should go through the floor and the sub-floor – unless you’ve already roughed in the drain. If you’re installing a tub drain on a concrete floor, you’ll have to drill out the concrete to create a hole. Use a jigsaw to cut out an opening large enough to access the crawlspace between floors. Then, use a Forstner bit to start a hole. Corners and angles to get you to the main sewage lineĭetermine where the bathtub will be and mark the exact location of the drain exit onto the floor.1.5” or 2” T or Y converting to your waste pipe size (usually 40mm).However, if you have a shower in the tub as well, you’ll want a 2” drainpipe. If you just have a bathtub, a 1.5” drainpipe is all you’ll need to meet code. In most cases, you should stop at roughing in the shower drain if you’re not ready to install the tub. From there, you can install the tub at your leisure. Here, the installation is a multi-part process consisting of roughing in the shower drain, connecting the vent, and then connecting the trap. Installing a bathtub drain and trap is relatively simple, providing you have the tub and can measure what you need. How do you cement around a bathtub drain?.Where do I find my Bathtub Drain Diagram?.How do you open up a bathtub drain trap?.How far can I install a P-Trap from a bathtub drain?.Tub Drain in Concrete Floor Installation.Replacing The Drain Pipe Under The Bathtub.How to Install a Bathtub Drain and Trap.

Tub overflow drain installation