Richard Trethewey
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How to Maintain Your Dishwasher
Plumbing and heating expert Richard Trethewey breaks down all the connections on a dishwasher, how they work, and how to troubleshoot them when they aren’t draining or drying correctly.
How To Install a Utility Sink in a Barn
Master plumber Richard Trethewey installs a utility sink in Mark McCullough’s chicken barn.
How to Fit Copper Pipes
Plumbing & Heating Expert Richard Tretheway shows host Kevin O’Connor several methods for making solid, watertight connections, both with solder and without.
All About Water Heaters
Plumbing and heating expert Richard Trethewey walks through all the various options available to homeowners for purchasing or renting a water heater.
Celebrating Craftsmanship: Soldering Basics
Plumbing and heating expert Richard Trethewey explains some general soldering techniques and how to connect water piping.
How the Building Trades were Impacted During COVID-19
The This Old House team shares how the pandemic affected each of their trades. They talk about the changes in their industries and the challenges they all faced.
How to Prevent Flooding in an Upstairs Laundry Room
Ask This Old House plumbing and heating expert Richard Trethewey explains how and why to install an automatic shutoff valve for the washing machine supply hoses.
Installing a Dishwasher in an Old Kitchen
In this DIY Smarts, Ask This Old House plumbing and heating expert Richard Trethewey and carpenter Nathan Gilbert team up to help a homeowner retrofit a new dishwasher into an old kitchen.
Home Inspection Nightmares | Tree-Wrapped Chimney
The Ask This Old House team share more Home Inspection Nightmares.
How to Replace a Spigot
Ask This Old House Plumbing and Heating expert Richard Trethewey explains a variety of failure points in a hose spigot and demonstrates how to replace one that is damaged beyond repair.