Plumbing Videos
These This Old House videos showcase all of our plumbing projects, how-tos, and designs.
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.
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.
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 Clear a Clogged Bathtub Drain
This Old House plumbing and heating expert Richard Trethewey shows how to fix a slow draining tub
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 Install a Utility Sink
In this how-to video, This Old House plumbing and heating expert Richard Trethewey installs a utility sink
How to Cut and Solder Copper Pipe
This Old House plumbing and heating expert Richard Trethewey shares some basic pipe-joining techniques
Common Water Heater Myths Answered
Ask This Old House plumbing and heating expert Richard Trethewey shares some tips on maintaining water heaters.
Celebrating Craftsmanship: Soldering Basics
Plumbing and heating expert Richard Trethewey explains some general soldering techniques and how to connect water piping.
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.
How to Replace a Kitchen Faucet
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace her kitchen faucet.
How to Hook Up Washing Machine Plumbing
This Old House plumbing and heating expert Richard Trethewey re-plumbs a washing machine.
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.
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.
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
How to Install a Pedestal Sink
Plumbing expert Richard Trethewey makes a challenging bathroom renovation task look easy
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
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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
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.
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.
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.