Kitchen Sink Drain Installation Method


02 Dec

 


All parts of a sink drain come with manuals for installation guidance but look for a professional SLC plumber to avoid messing up things if you're not confident in yourself. Here are the steps for installing a sink drain.

Every kitchen sink drain renovation project requires basic supplies that you should find out and make a budget. You need a hacksaw or a PVC tubing cutter or tape measure, a kitchen drain trap kit, a marker, and channel-type pliers.

Find out the height of the drain outlet before you buy a kitchen sink. Deep-basin sink will take up more space beneath the countertop.  Match the height of the sink drain by lowering the drain fitting in the wall to fit the sink of the deep-sink drain beneath the countertop.  Find out the trap arm’s height on the old sink by taking measurements from the base of the cabinet or floor.  Sloping the trap arm downwards, the branch drain pipe in the wall and  the horizontal piece that is between the  U-shaped trap bend is not possible if the trap arm height of the old sink is 16 inches.  The trap arm should be adjoined to the sanitary tee fitting in the branch drain and ensure that it slopes down toward the tee about 1/4 per foot for proper drainage.

If the depth of the new sink cannot fit in the drain opening, open the wall and lower the sanitary tee’s position that is joined to the drainpipe in the wall.  Cut away the back of the surface of the wall and the cabinet to lower the drain. Leave the fittings loose for adjustments and test-fit the other parts of the drain before you glue and secure the fittings permanently.  The drain height should not take up all the space because you need space that allows you to remove and clean the trap. Visit how to install kitchen sink for additional insights.

Install the strainer and the garbage disposal but begin with the garbage disposal because it takes up a large space than the strainer.  A basket strainer is multipurpose hence if you install it, you will not need a garbage disposal. Install other under-sink items at the same time that you are installing the strainer and the garbage disposal. 

Install the continuous waste pipe and the drain tailpiece.  The sink strainer is connected to the tee fitting by the drain tailpiece whereas the disposal's drain is connected to the tee fitting using the continuous waste pipe.

Connect the drain trap which is made up of a J-shaped trap arm and U-shaped trap bend. The trap arm is connected to the sanitary tee at the wall while the trap bend is fixed at the bottom of the tailpiece tee fitting. Tighten all slip nuts using channel-type pliers severally, confirm if everything has been fixed the right ways and run water to check for leaks beneath the sink.

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