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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.

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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.

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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.

Richard Trethewey connects steel gas pipes.
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How to Connect Steel Gas Pipes

Looking to connect gas pipes in your home? This Old House Plumbing & Heating Expert Richard Trethewey explains a new method for connecting gas pipes, known as "press-connect."

Fix a leaky hose spigot
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How to Fix a Leaky Hose Spigot

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

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How to Install a Gas Lantern

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.

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How to Install a Pressure-Balance Shower Valve

Maintaining safe shower water temperatures with This Old House plumbing and heating expert Richard Trethewey

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Understanding Improvements to Certified PVC Flue Gas Ventilation

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.

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How Flue Gas Venting Is Being Reinvented

Most people can recognize the difference between woods, for example plywood versus cedar. But the same can’t always be said for plastics. Richard takes a deep dive into the plastics being used for gas ventilation, and explains how to find out if the venting in your house is up to code—or past its prime.

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Cape Ann Project Heating Plan

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

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Future House | Smart Water Valve

Ask This Old House home technology expert Ross Trethewey travels to Los Angeles to learn about innovations being made to automatic water shutoff valves

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A Safe Septic System for Nearby Waterways

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

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How to Diagnose and Repair a Humid Air Conditioner

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