Join date: Nov 13, 2021

How to Install a Kitchen Sink Drain

If you think that solely experienced plumbers can install a kitchen sink drain, your guess is wrong. We will tell you how you can tackle this job without calling any professional. This article includes a guide to help you change these pipes in four easy steps. Continue reading and learn how easily you can install a kitchen sink drain.

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Before starting the process, make sure you have a tape measure, marker, channel-type pliers, drain trap kit, and a hacksaw or PVC tubing cutter. You will have to lower the drain fitting in the wall if you want to replace a standard sink with a deep sink. Note the height of the trap arm on the old sink to purchase a new one accordingly.

Step 1- Install the Garbage Disposal and Strainer

You should install the garbage disposal first before placing the Strainer because it takes up the most space. At this stage, you can inaugurate other under-sink components like a hot water dispenser, water filter, etc.

Step 2- Add the Tailpiece and Waste Pipe

The drain tailpiece connects to the sink strainer and runs down to the tee fitting. The waste pipe attaches the tee fitting to the disposal drain. Cut these pipes according to your installation needs.

Fix the tailpiece onto the sink strainer, and waste pipe to the drain outlet. Make sure that it is sloping downward slightly in the direction of the tailpiece.

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After connecting pipes, hold the tee fitting and mark where they fit perfectly. Cut both of them with a hacksaw or PVC tubing cutter. After completing the cutting process, reinstall them along with the tee. Secure the slip nuts by using channel-type pliers but do not overly tight. You will damage the plastic threads if applied more force.

Step 3- Fix the Drain Trap

The drain trap assembly has a J-shaped trap arm and a U-shaped trap bend. The trap arm reaches the tee at the wall while the trap bend fits onto the base. With a washer and slip nut, assemble both of them slackly. Now, thrust the trap bend into the tee fitting while descending the trap arm into the sanitary tee.

Set the trap pieces accurately to make the direct path from the wall tee to sink. The trap arm must angle slightly downward in the direction of the wall tee. Tight all nuts with the help of channel-type pliers. Confirm that the trap and waste pipe have a slope for water flow.

Step 4- Check for Leaks

Pour water in the basin to check leaks at joints. In case if you find any, tighten up the connection. It is uncommon to get any leaking after following all steps perfectly. However, minor adjustments might occur due to an error, which you can correct by tightening the loose joints. If it still does not stop, take out the nut, relocate the washer, and fix the nut again.

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After reading this comprehensive article, you are on the stage to start installing your kitchen sink drain by yourself. If you have more issues, consult a plumber to avoid time wastage. However, we covered the secrets that plumbers will never tell you at any cost.