Plumbing Videos
These This Old House videos showcase all of our plumbing projects, how-tos, and designs.
How to Install and Connect an Ice Maker Like a Pro
Ask This Old House plumbing and heating expert Richard Trethewey helps a special homeowner hook up her refrigerator with an ice maker
Are Plastic Water Heaters Worthwhile For Your Home?
This Old House plumbing and heating expert Richard Trethewey weighs the pros and cons of a plastic tank water heater.
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 Repair a Damaged Main Shutoff Valve
Ask This Old House plumbing and heating expert Richard Trethewey demonstrates solutions for replacing a water main shutoff
How To Choose Water Saving Plumbing Fixtures
Ask This Old House expert Richard Trethewey and host Kevin O’Connor discuss the different ways to identify water-saving plumbing fixtures.
How To Install a Water Saving Toilet for Your Bathroom
Looking to cut down on utilities? Install a new water-saving toilet and save money with each flush by using our step-by-step guide.
How to Connect Copper Pipes Without Soldering
The tried and true method for connecting copper pipes has always been soldering, but it’s a difficult skill to master. Richard Trethewey shows another effective way to connect these pipes without pulling out the blow torch.
How To Diagnose and Fix a Gurgling Sink
This Old House plumbing expert Richard Trethewey points out common reasons for a noisy sink and how to fix sink gurgling.
How to Install a Tankless Water Heater
This Old House plumbing and heating expert Richard Trethewey shows how to install a tankless water heater.
How to Fix a Wobbly Toilet
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner diagnose and repair a wobbly toilet
How To Change a Toilet
Changing a toilet doesn't have to be unpleasant. With this DIY project, you can enhance your bathroom’s functionality.
How to Prevent Plumbing Leaks Automatically
Ask This Old House plumbing and heating expert Richard Trethewey demonstrates a wireless detector that can shut off the water in case of a flood.
How to Diagnose and Repair a Leaking Water Heater
Learn common causes for a leaking water heater and how to fix water heater issues before they cause damage and become costly.
How To Install a Water Conditioner to Combat Hard Water
This Old House plumbing expert Richard Trethewey shows how to install a water conditioner to combat hard water.
How To Diagnose Corrosion and Other Plumbing Drain Problems
Clogs, slow-draining sinks, and other plumbing issues can be a huge headache for homeowners. Read how to diagnose common issues in our guide.
How To Install a Whole House Water Filter
Plumbing expert Richard Trethewey shows how to install a whole-house water filter to improve the taste and odor of drinking water.
Installing a New Hybrid Water Heater
Plumbing and heating expert Richard Trethewey returns to a home he visited four years earlier to replace a faulty hybrid water heater.
A Tour of Antique Plumbing and the Toilet of the Future
Ask This Old House Richard Trethewey examines historic items from the history of his family’s plumbing company and takes a look at the latest toilet technology.
How to Install an Indirect Water Heater on a Boiler
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner install an indirect water heater onto an existing steam boiler to boost the amount of hot water in the house.
How To Diagnose and Solve Well Water System Problems
This Old House plumbing expert Richard Trethewey explains how a well water system pump works and how to fix common problems.
How to Identify and Treat Soft Water
Ask This Old House plumbing and heating expert Richard Trethewey answers an email about a shower stained green and why it may be linked to soft water
How to Replace a Tank Water Heater
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace a tank water heater
How to Replace a Kitchen Sink Strainer
Ask This Old House plumbing expert Richard Trethewey finds a rusty sink strainer in the kitchen and shows a homeowner how to replace it.
How To Treat Water with Lead to Keep Your Drinking Water Safe
Watch as plumbing expert Richard Trethewey explains why lead may contaminate home drinking water and the best methods to combat it.
How To Repair a Shower Valve Stem
This DIY video and guide shows you how to repair a shower valve stem and get your shower running smoothly again.
How to Repair a Squealing Shower
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner silence a shrieking shower
How to Identify PVC Pipes and Fittings in Your Home
Ask This Old House plumbing and heating expert Richard Trethewey gives a tutorial on the types of PVC pipes and fittings.
How a Plumbing Trap Can Lose Water
Learn how plumbing traps work, why they lose water, and simple solutions to prevent sewer gases from entering your home.
How to Unclog a Bathroom Sink
Is your bathroom sink not draining? Here's everything you need to know to unclog hair, toothpaste, and other gunk from a slow-draining sink.
How To Choose a Water Filter
Ask This Old House plumbing and heating expert Richard Trethewey explains the many filter options and home water systems available for filtering drinking water
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.
How to Repair a Leaking Toilet
Ask This Old House plumbing and heating expert Richard Trethewey explains what may be causing a leaky toilet and possible solutions