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S2 E12, Richard Trethewey in a bathtub
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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

S20 E22, Richard Trethewey teaches Kevin O’Connor about unclogging drains
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How to Unclog Any Drain

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

S5 E14, Richard Trethewey shows how to unclog various drains
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How to Clear a Clogged Drain

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

Richard Trethewey shows how to refinish an old cast-iron, claw-foot tub
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How to Refinish a Claw-Foot Tub

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

S20 E20, Richard Trethewey talks about bidets
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Understanding Bidets

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

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How to Choose a New Toilet Seat

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

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How to Add a Heat Pump to a Water Heater

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

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How to Repair a Sewer Pipe Under a Concrete Slab

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

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How to Install a Smart Thermostat

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

House Hydrant
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How to Install a House Hydrant

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