Plumbing Videos

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.

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.

This Old House plumbing and heating expert, Richard Trethewey, explains some common failure points in hose spigots and how to repair them.

Ask This Old House plumbing and heating expert Richard Trethewey travels to St. Louis to install a gas lantern on an original 1890s home in a historic neighborhood.

In this DIY Smarts, Ask This Old House plumbing and heating expert Richard Trethewey demonstrates how and why frozen pipes burst.

Ask This Old House plumbing and HVAC expert Richard Trethewey explains why standard DWV PVC should not be used to vent gas appliances and what should be used instead.

Our plumbing and heating expert Richard Trethewey explains the general layout of the heating and cooling system in our Cape Ann project

Watch as This Old House tech expert Ross Trethewey travels to Los Angeles to learn about innovations in automatic water shutoff valves.

Plumbing and heating expert Richard Trethewey walks us through a system that was designed for a home built near a pond and the ocean

Ask This Old House plumbing and heating expert Richard Trethewey travels to Orlando to diagnose and repair an HVAC system that is creating way too much humidity

Ask This Old House plumbing and heating expert Richard Trethewey shortens a gas pipe for a homeowner whose new stove does not fit against the wall because it is getting stuck on the pipe

Installing a water filter under your sink can remove contaminants, sediment, and unpleasant tastes. Read how to install this system yourself in our step-by-step guide.

Explore traditional and innovative solutions to clear a clogged sink in this guide, with tips from TOH plumbing expert Richard Trethewey.

During a visit to IBS 2019, Richard Trethewey gave our Pro2Pro editor a lesson in connecting pex tubing, then explored a new water-monitoring device and high-tech training tool

Ask This Old House plumbing and heating contractor Richard Trethewey installs a thermostat that can be programmed automatically from a smart phone

Give your kitchen a quick update by replacing an old kitchen sink with a new one using our easy to follow guide.

Ask This Old House expert Richard Trethewey shows how to change the temperature on your water heater for safety and energy savings.

Ask This Old House plumbing and heating expert Richard Trethewey travels to a plumbing facility in New Jersey to learn about advances in toilet engineering that help save water

Learn how professionals install gas piping in a home from plumbing and heating expert Richard Trethewey in our step-by-step guide.

This Old House plumbing and heating expert Richard Trethewey shares some tips on maintaining water heaters in Your Home.

Learn how to replace a malfunctioning main shutoff valve from This Old House plumbing and heating expert Richard Trethewey.

Ask This Old House plumbing and heating expert Richard Trethewey shows you how to install a simple reverse osmosis water filter system.

A common culprit of shower issues is the shower cartridge. Learn how to replace a shower cartridge in our comprehensive guide.

This Old House plumbing and heating expert Richard Trethewey helps a homeowner select and install the right electric water heater.

In our guide, This Old House plumbing expert Richard Trethewey demonstrates how to clear a stopped bathtub or shower drain.

This video and guide detail the tools you'll need when you have a home plumbing repair to do or a minor emergency.

If your sink is emitting loud noises or odd smells, you may need to install a vent. Here's what you need to know.

Moving a toilet to a new location can be a challenging task, but homeowners can handle it with the right approach. Read how to reorient your toilet in our step-by-step guide.

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner add an outdoor faucet with both hot and cold water.

Ask This Old House plumbing and heating expert Richard Trethewey demonstrates the uses of less common wrenches

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace the shutoff valve underneath her kitchen sink