Plumbing Videos
These This Old House videos showcase all of our plumbing projects, how-tos, and designs.
Filed under:
How to Replace a Whole-House Plumbing Trap
This Old House plumbing and heating expert Richard Trethewey shows tools and techniques for fixing corroded cast-iron pipe.
How To Repair a Shower Anti-Scald Pressure Balancer
Dealing with changing shower temperatures? Read our guide to fix your anti-scald pressure balancer and restore consistent water temperature.
How to Replace a Smelly Dishwasher Drain Hose
This Old House plumbing and heating expert Richard Trethewey comes up smelling sweet by installing a new discharge hose.
How To Fix a Wobbly Toilet
This Old House plumbing and heating expert Richard Trethewey helps a homeowner diagnose and repair a wobbly toilet.
How to Repair a Water Softener
Learn how to renew an old water softener with This Old House plumbing and heating contractor Richard Trethewey in this helpful video.
How to Clear a Clogged Bathtub Drain
This Old House plumbing and heating expert Richard Trethewey shows how to fix a slow draining tub.
How To Install a Vented Microwave
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.
Touring Richard Trethewey's HVAC Showroom
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.
Richard’s Passion for Teaching
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.
Understanding the History of Modern Plumbing
This article explores the history of modern indoor plumbing and how it has fundamentally changed the way we live for the better.
How to Get Hot Water with a Recirculating Pump
Watch as This Old House plumbing and heating expert Richard Trethewey explains how a recirculation system can save energy, money, and time.
A simple Guide to Repairing Your Home's Irrigation System
Learn how to make simple irrigation repairs and maintain a lush, green lawn in this guide from plumbing and heating expert Richard Trethewey.
How to Fix a Bathroom Sink Stopper
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.
Understanding Septic Systems and How to Maintain Them
Learn everything you need to know about septic systems from plumbing and heating expert Richard Trethewey in our in-depth septic guide.
Everything You Need to Know to Replace a Water Heater
In this DIY Smarts segment, plumbing and heating expert Richard Trethewey helps a homeowner replace their old tank water heater before it fails.
Understanding Bottle Traps
Plumbing and heating expert Richard Trethewey shows host Kevin O’Connor how to handle sink drains in tight places.
Reasons for Water Heater Failure and When to Replace a Heater
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.
Easy Solutions for a Damp Basement
Plumbing and heating expert Richard Trethewey teaches Kevin O’Connor what he needs to know about handling wet basements.
Understanding Air Flow in Your House
Plumbing and heating expert Richard Trethewey and home technology expert Ross Trethewey explain everything you need to know about balancing airflow within a home.
Tips for Controlling Plumbing Emergencies
These tips for controlling plumbing emergencies can help you tackle common plumbing problems, from leaky faucets to frozen pipes.
How Richard Trethewey Became a Plumber
This Old House Plumbing and Heating Expert Richard Trethewey tells all about how his career as a plumber started.
How To Replace a Tub Drain
Plumbing expert Richard Trethewey shows a homeowner how to replace a bathtub drain when his old 1950s tub stops draining properly.
Dishwasher Maintenance: Keep Your Appliance Running Smoothly
In this guide and video, plumbing and heating expert Richard Trethewey shows how to deep-clean a dishwasher and repair its components.
How To Install a Utility Sink in a Barn
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.
How To Fit Copper Pipes
Explore different methods for making solid, watertight connections between copper pipes—both with and without solder—in this guide.
Celebrating Craftsmanship: Soldering Basics
Learn important soldering techniques from plumbing and heating expert Richard Trethewey as he explains how to connect copper piping.
How To Replace a Spigot in 10 Simple to Follow Steps
Learn how to replace a spigot in 10 simple to follow steps by using our comprehensive video and in-depth guide.
Everything You Need to Know to Install a Garbage Disposal
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.
What Is a Toilet Siphon and How Does One Work?
Siphons pump water using physics, not electricity. Learn how they work from Ask This Old House plumbing and heating expert Richard Trethewey.
How to Replace a Bathroom Faucet
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.
How to Clean a Clogged Shower Cartridge
Learn how to clean a clogged shower cartridge with this video and our companion guide.
How To Test Smart Automatic Water Shutoff Valves
Learn how to minimize water damage from leaks and floods in your home by installing and testing a smart water shutoff valve.
How To Connect Steel Gas Pipes
Are you having gas piping work done? Learn about a new method professionals use to connect gas pipes from This Old House's Richard Trethewey.