Plumbing Videos

This Old House plumbing and heating expert Richard Trethewey shows tools and techniques for fixing corroded cast-iron pipe.

Dealing with changing shower temperatures? Read our guide to fix your anti-scald pressure balancer and restore consistent water temperature.

This Old House plumbing and heating expert Richard Trethewey comes up smelling sweet by installing a new discharge hose.

This Old House plumbing and heating expert Richard Trethewey helps a homeowner diagnose and repair a wobbly toilet.

Learn how to renew an old water softener with This Old House plumbing and heating contractor Richard Trethewey in this helpful video.

This Old House plumbing and heating expert Richard Trethewey shows how to fix a slow draining tub.

Plumbing and heating expert Richard Trethewey teams up with a local plumber to install a new stove and a vented microwave to exhaust the fumes.

Host Kevin O’Connor heads out on the road with plumbing and heating expert Richard Trethewey to learn more about his HVAC showroom and educational facility.

Join us as we sit down with plumbing and heating expert Richard Trethewey to discuss his passion for teaching and the mentors he’s had along the way.

This article explores the history of modern indoor plumbing and how it has fundamentally changed the way we live for the better.

Watch as This Old House plumbing and heating expert Richard Trethewey explains how a recirculation system can save energy, money, and time.

Learn how to make simple irrigation repairs and maintain a lush, green lawn in this guide from plumbing and heating expert Richard Trethewey.

A stuck sink plug causes a major hassle. Luckily, it’s a DIY that can be taken care of in an hour or two. In this video, we join plumbing and heating expert Richard Trethewey, who shows a homeowner how to fix their bath sink stopper.

Learn everything you need to know about septic systems from plumbing and heating expert Richard Trethewey in our in-depth septic guide.

In this DIY Smarts segment, plumbing and heating expert Richard Trethewey helps a homeowner replace their old tank water heater before it fails.

Plumbing and heating expert Richard Trethewey shows host Kevin O’Connor how to handle sink drains in tight places.

Plumbing and heating expert Richard Trethewey gives host Kevin O’Connor an inside look at why a water heater fails and when to replace one.

Plumbing and heating expert Richard Trethewey teaches Kevin O’Connor what he needs to know about handling wet basements.

Plumbing and heating expert Richard Trethewey and home technology expert Ross Trethewey explain everything you need to know about balancing airflow within a home.

These tips for controlling plumbing emergencies can help you tackle common plumbing problems, from leaky faucets to frozen pipes.

This Old House Plumbing and Heating Expert Richard Trethewey tells all about how his career as a plumber started.

Plumbing expert Richard Trethewey shows a homeowner how to replace a bathtub drain when his old 1950s tub stops draining properly.

In this guide and video, plumbing and heating expert Richard Trethewey shows how to deep-clean a dishwasher and repair its components.

In our guide and video, we'll explain how to add a sink to your barn so you have running water to wash your hands, clean tools, and more.

Explore different methods for making solid, watertight connections between copper pipes—both with and without solder—in this guide.

Learn important soldering techniques from plumbing and heating expert Richard Trethewey as he explains how to connect copper piping.

Learn how to replace a spigot in 10 simple to follow steps by using our comprehensive video and in-depth guide.

Garbage disposals are a tool to help prevent pesky kitchen odors, as well as stop food from going down the pipes. We discuss how to install a garbage disposal.

Siphons pump water using physics, not electricity. Learn how they work from Ask This Old House plumbing and heating expert Richard Trethewey.

Need to update your bathroom sink faucet? Watch this DIY Smarts as Ask This Old House plumbing and heating expert Richard Trethewey demonstrates how to replace a bathroom faucet.

Learn how to clean a clogged shower cartridge with this video and our companion guide.

Learn how to minimize water damage from leaks and floods in your home by installing and testing a smart water shutoff valve.