Richard Trethewey

How to Repair a Shower Valve in a Tile Wall

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

Plumbing and heating expert Richard Trethewey shows us every common household drain, and how to unclog them like a pro.

In this how-to video, This Old House shows various ways to clear household clogs

This Old House plumbing and heating expert Richard Trethewey shows how to save an old, but elegant, cast-iron bathtub.

Host Kevin O’Connor, meets with plumbing and heating expert Richard Trethewey to discuss the various benefits of installing a bidet in your bathroom.

Ask This Old House plumbing and heating expert Richard Trethewey discusses DIY Smarts on the basics of choosing and installing toilet seats.

This Old House plumbing and heating expert Richard Trethewey makes heating water more efficient by installing a heat pump

This Old House plumbing and heating expert Richard Trethewey shows how to rescue a buried, root-clogged pipe, without digging up the whole site

This Old House plumbing and heating expert Richard Trethewey shows a homeowner how to install and operate an energy-saving smart thermostat

Ask This Old House plumbing and heating expert Richard Trethewey installs a house hydrant to replace a leaky outdoor spigot.