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S20 E28, Richard Trethewey discusses emergency plumbing fixes with Kevin O’Connor
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Tips for Controlling Plumbing Emergencies

This Old House plumbing and heating expert Richard Trethewey explains some of the most common plumbing emergencies and how homeowners can handle them.

S20 E12, Richard Trethewey replaces a tub drain
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How to Replace a Tub Drain

In this edition of DIY Smarts, plumbing and heating expert Richard Trethewey helps a homeowner with an old 1950s bathtub replace the tub drain assembly when the current one stops plugging the tub.

S20 E11, Richard Trethewey discusses dishwashers
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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.

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How to Clear a Clogged Bathtub Drain

This Old House plumbing and heating expert Richard Trethewey shows how to fix a slow draining tub

S20 E8, Richard Trethewey installs a utility sink
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How To Install a Utility Sink in a Barn

Master plumber Richard Trethewey installs a utility sink in Mark McCullough’s chicken barn.

S4 E10, Richard Trethewey installs a utility sink
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How to Install a Utility Sink

In this how-to video, This Old House plumbing and heating expert Richard Trethewey installs a utility sink

S9 E8, soldering copper pipe
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How to Cut and Solder Copper Pipe

This Old House plumbing and heating expert Richard Trethewey shares some basic pipe-joining techniques

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Common Water Heater Myths Answered

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

S20 E1, Richard Trethewey on soldering
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Celebrating Craftsmanship: Soldering Basics

Plumbing and heating expert Richard Trethewey explains some general soldering techniques and how to connect water piping.

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How to Diagnose Problems with Well Water Systems

Ask This Old House plumbing and heating expert Richard Trethewey explains how a well water pump works and why it could be behind a high electrical bill.

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How to Replace a Kitchen Faucet

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace her kitchen faucet.

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How to Hook Up Washing Machine Plumbing

This Old House plumbing and heating expert Richard Trethewey re-plumbs a washing machine.

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How to Replace a Kitchen Sink

Ask This Old House Plumbing and Heating Expert Richard Trethewey explains how to replace a kitchen sink and faucet from start to finish.

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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.

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How to Replace an Old Faucet

This Old House plumbing and heating expert Richard Trethewey shows the proper way to replace an old kitchen faucet

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How to Install a Pedestal Sink

Plumbing expert Richard Trethewey makes a challenging bathroom renovation task look easy

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How to Choose and Maintain a Garbage Disposer

This Old House plumbing and heating expert Richard Trethewey shares some tricks for removing—and avoiding—stubborn disposer jams

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How to Prevent Frozen and Burst Pipes

Ask This Old House plumbing and heating expert Richard Trethewey offers a few tips to keep water from freezing up in your pipes during the winter months.

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How to Prevent Frozen Pipes

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey shows various ways to prevent and thaw frozen pipes.

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How Does a Siphon Work?

This Old House Plumbing & Heating Expert Richard Trethewey demonstrates how siphons work. Richard shows how siphons are the basic principle that make toilets work, even if the water supply in the house was turned off.

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What Can and Can't Go Down a Garbage Disposer

Ask This Old House plumbing and heating expert Richard Trethewey explains what foods should and should not go into garbage disposers.

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How to Drain a Water Heater

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey shows a quick and effective way to drain a sediment-filled electric water heater.

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How to Fix a Leaky Shut-Off Valve

This Old House plumbing and heating expert Richard Trethewey shows how to quickly and easily fix a faulty valve.

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How to Repair a 3 Handle Shower Faucet

Ask This Old House plumbing and heating expert Richard Trethewey repairs and replaces a leaky shower valve.

People installing new combination boiler in a basement.
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How to Install a Combination Boiler and Hot Water Heater

Replace two devices, your water heater and boiler, with a single combi boiler unit that’s more efficient and compact.

Plumbing expert demonstrating how to unclog a bathroom sink.
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How to Unclog a Bathroom Sink

Ask This Old House plumbing and heating expert Richard Trethewey reveals the best ways to unclog a slow draining bathroom sink.

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How to Fix a Shower Faucet

Learn how to replace an old shower valve with a single handle with This Old House plumbing and heating expert Richard Trethewey.

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Reattach an Undermount Kitchen Sink

Ask This Old House plumbing and heating expert Richard Trethewey uses undermount sink adhesive to reattach a stainless steel kitchen sink to a granite countertop.

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How to Get Hot Water with a Recirculating Pump

This Old House plumbing and heating expert Richard Trethewey explains how a recirculation line can save energy, money, and time

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Hydraulic Cement for Leaky Basements

Using the right product for patching holes where water seeps in will save you a trip back with a wet vac and a sump pump.

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How to Clean a Clogged Shower Cartridge

Ask This Old House plumbing and heating expert Richard Trethewey travels to New York City to teach a homeowner how to clean her shower cartridge when it gets clogged.

Richard Trethewey tests smart automatic water shut off valves.
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Testing Smart Automatic Water Shut Off Valves

Ask This Old House plumbing and heating expert Richard Trethewey tests two different styles of smart automatic water shutoff valves.