Kitchen Plumbing Installation

Purpose

Installation procedures for kitchen plumbing including sinks, faucets, disposals, dishwasher connections, and supply lines.

Review scope: sink, faucet, disposal, dishwasher connection, supply lines

Protect countertops, flooring, and cabinets

Shut off water supply

Remove old fixtures and plumbing

Install sink clips and seal sink to countertop (undermount or drop-in per design)

Install faucet per manufacturer instructions

Connect hot and cold supply lines — new braided stainless

Install garbage disposal if in scope (see Garbage Disposal Replacement)

Connect dishwasher drain and supply if in scope

Install P-trap and connect drain line

Restore water, run all fixtures, check every connection for leaks

Run dishwasher through a cycle to verify connections

Test disposal operation

Clean up and walkthrough with customer

Kitchen sink installations involve many connection points — methodical leak checking is essential
Dishwasher drain must connect before the P-trap (not after)
If disposal is being installed, knock out dishwasher drain plug inside disposal
Coordinate with countertop installer on timing if applicable
Protect customer's cabinets and flooring throughout