Plumbing How To & DIY

A membrane system is a great way to prepare your shower before you start tiling. Find out how to build a leak-free shower in our guide.

This Old House plumbing and heating expert Richard Trethewey quiets a noisy facet that's making a hammering sound.

This video and guide contain instructions on fixing a faulty valve with This Old House plumbing and heating expert Richard Trethewey.

This Old House plumbing and heating expert Richard Trethewey has a quick fix for a slow-flowing faucet in this quick video.

This Old House landscape contractor Roger Cook shares a permanent way to collect and disperse sump-pump water

This Old House plumbing and heating expert Richard Trethewey shows how to repair a buried pipe without digging up the whole site.

This Old House plumbing and heating expert Richard Trethewey delivers clean, filtered water right at the kitchen sink

Household plumbing leaks can quickly cause significant water damage and costly repairs. Learn how to prevent leaks in our step-by-step guide.

Controlling rain run-off with This Old House landscape contractor Roger Cook

Learn how to fix a clogged kitchen sink hose and restore your faucet’s performance. Read our guide to learn more.

This Old House plumbing and heating expert Richard Trethewey and tile expert Joe Ferrante team up to repair a leaky shower valve installation

Dealing with hard water? We’ll show you how to test for hard water and install a softener to improve your home’s water quality.

Heating expert Richard Tretheway shows how to install a solar-powered water heater as a more eco-friendly way to take a hot shower.

This Old House plumbing and heating expert Richard Trethewey shows you how to hook up your new appliance. Plus, maintenance tips and tricks.

This Old House plumbing and heating expert Richard Trethewey shows how to install kitchen sink plumbing for a double-bowl sink.

Discover the benefits of graywater systems in toilet tanks and how they can help you conserve water and reduce utility bills effectively.

This Old House plumbing and heating expert Richard Trethewey delivers hot water on demand in this helpful video.

This Old House plumbing and heating expert, Richard Trethewey, explains the causes of and cures for water-pipe corrosion.

This Old House plumbing and heating expert Richard Trethewey shows how to keep a basement dry—even when the power goes out.

Making watertight connections with This Old House plumbing and heating expert Richard Trethewey

Read our step-by-step guide to repairing your kitchen sink drain trap to fix slow drainage and unpleasant smells.

Have a project that requires you to cut and solder copper pipes? Find out everything you need to know with this step-by-step guide.

This Old House plumbing and heating expert Richard Trethewey explains the various copper pipes commonly used in a home plumbing system.

This Old House plumbing and heating expert Richard Trethewey has a quick cure for a creaky pipe in this video.

Learn how to install a basement utility sink for your home with This Old House plumbing and heating expert Richard Trethewey.

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

Corroded water heater fittings can damage your system. Read our article and watch our video to learn how to replace yours.

Learn how to replace an old shower valve with This Old House plumbing and heating expert Richard Trethewey.

This Old House plumbing and heating expert Richard Trethewey shows how to fix a leaky, squeaky steam radiator.

In this step-by-step video, This Old House plumbing and heating contractor Richard Trethewey shows a sure-fire way to prevent water damage from a leaking washing machine

This Old House plumbing and heating contractor Richard Trethewey shows how to replace an old, corroded water-supply valve—without soldering