How to Hook Up Washing Machine Plumbing

This Old House plumbing and heating expert Richard Trethewey re-plumbs a washing machine.

EasyRequires advanced plumbing skills, including soldering

$300 to $400, on average

3 to 4 hours

In this video, This Old House plumbing and heating expert Richard Trethewey re-plumbs a washing machine.

Steps for Hooking Up a Washing Machine

Turn off the hot and cold water leading to the washing machine.
Move washing machine out of the way and build a wood-stud wall against the basement wall.
Attach plywood panel to the upper half of the wood-stud wall using 1⅝-inch screws.
Run new hot- and cold-water copper pipes to the wood-stud wall.
Extend hot- and cold-water copper pipes down the face of the plywood panel.
Install a washing machine valve to the ends of the water pipes.
Replace old rubber washing machine hoses with braided stainless-steel hoses.
Turn on the water and open all valves. Check for leaks.