Kitchen Sink Plumbing Under The Floor

The p trap is an important component of sink plumbing that prevents toxic sewer gases from leaking into the home.

Kitchen sink plumbing under the floor.

In order to do this you will have to attach the drain to the s trap below your sink where it falls into the floor including applying putty and putting drains into the base of the sink adding the tailpiece and then fitting the t fitting onto the bowl. It is similar to a floor drain as it is installed flush with the floor but has a much larger chamber to receive the indirect wastes and does have a strainer as called for in the plumbing code in addition to the grate. The commode drainpipe is the largest in diameter either 3 or 4 inches and all. Plan the path of your pipe start preparations by running your 2 inch drain pipe under the floor from the kitchen s main waste stack to the cabinet housing your island sink.

Identify each of the following. The length of the tailpiece that connects the drain to the trap depends on a. I would like to do this to avoid cutting into a number of studs cripples that are supporting a large window. Right now i m in the middle of replacing a copper water supply line from underneath the kitchen sink to where the dishwasher goes.

The sink s drainpipe runs downward to connect in the floor to the main drainpipe which originates with the commode. We are moving our kitchen having created a new kitchen diner and are intending to install a wet underfloor heating system we have suspended timber floors. Cleanouts are generally required on horizontal branches of drain pipe but because the p trap has removable connections it can serve as a cleanout so you usually don t need another one under the kitchen sink. A cleanout is a removable threaded cap that gives you access to the drain pipes so you can remove blockages with a drain snake.

The current copper line goes down to the crawl space underneath the house and comes up in a very inconvenient location of the floor under the dishwasher. Place the new pipe on the floor in the work area. Around plumbing pipes under your sink. Referred to as a floor sink.

Make sure this is the shortest path possible before you physically remove flooring to lay the pipe. Two tailpieces and a tee if a double bowl sink one p trap one long straight section and one long elbow section. I would like to drop the sink drain through the floor underneath the base cabinet rather than plumbing into the wall. The reference gives more information on pipes for the kitchen sink.

When you are installing a kitchen sink drain pipe along with the drain attachment on the floor you will need to be able to fit the drain and the parts together. Install the new water supply lines. The receptor pictured is a pvc floor sink which can be obtained at a reasonable price. I ve looked at the regs and we seem to have room for the pipe size and gradient required assuming we put it under the floor.