Plumbing Videos
These This Old House videos showcase all of our plumbing projects, how-tos, and designs.
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.
Everything to Know About Frozen Pipes and Why They Burst
In this DIY Smarts, Ask This Old House plumbing and heating expert Richard Trethewey demonstrates how and why frozen pipes burst.
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.
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
Future House | Smart Water Valve
Watch as This Old House tech expert Ross Trethewey travels to Los Angeles to learn about innovations in automatic water shutoff valves.
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
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
How to Shorten a Gas Pipe to Fit an Oven
Ask This Old House plumbing and heating expert Richard Trethewey shortens a gas pipe for a homeowner whose new stove does not fit against the wall because it is getting stuck on the pipe
How to Install and Maintain a Water Filter Under the Sink
Installing a water filter under your sink can remove contaminants, sediment, and unpleasant tastes. Read how to install this system yourself in our step-by-step guide.
New Solutions to Unclog Sinks
Ask This Old House plumbing and heating expert Richard Trethewey discusses some innovations that can make clearing a clogged sink easier
How Plumbing Technology is Advancing
During a visit to IBS 2019, Richard Trethewey gave our Pro2Pro editor a lesson in connecting pex tubing, then explored a new water-monitoring device and high-tech training tool
How to Install a GPS-Enabled Smart Thermostat
Ask This Old House plumbing and heating contractor Richard Trethewey installs a thermostat that can be programmed automatically from a smart phone
Replacing a Kitchen Sink
Give your kitchen a quick update by replacing an old kitchen sink with a new one. Watch as Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner update a kitchen sink.
How To Adjust Water Heater Temperature
Ask This Old House expert Richard Trethewey shows how to change the temperature on your water heater for safety and energy savings.
Testing the Newest Low-consumption Toilets
Ask This Old House plumbing and heating expert Richard Trethewey travels to a plumbing facility in New Jersey to learn about advances in toilet engineering that help save water
How To Work With Gas Pipes
Learn how professionals install gas piping in a home from plumbing and heating expert Richard Trethewey in our step-by-step guide.
Common Water Heater Questions Answered by the Experts
This Old House plumbing and heating expert Richard Trethewey shares some tips on maintaining water heaters in Your Home.
How to Replace a Main Shutoff Valve
Learn how to replace a malfunctioning main shutoff valve from This Old House plumbing and heating expert Richard Trethewey.
How to Install a Reverse Osmosis Water Filter
This Old House plumbing and heating expert Richard Trethewey removes the impurities, VOCs, and excess minerals from water with a simple reverse osmosis water filter system.
How To Replace a Shower Cartridge
A common culprit of shower issues is the shower cartridge. Learn how to replace a shower cartridge in our comprehensive guide.
How To Install an Electric Heat Pump Water Heater
This Old House plumbing and heating expert Richard Trethewey helps a homeowner select and install the right electric water heater.
A Step by Step Guide to Snaking Any Clogged Drain
In our guide, This Old House plumbing expert Richard Trethewey demonstrates how to clear a stopped bathtub or shower drain.
Plumbing Tool Essentials for Beginners
This video and guide detail the tools you'll need when you have a home plumbing repair to do or a minor emergency.
How To Drain and Vent a Bathroom Sink
If your sink is emitting loud noises or odd smells, you may need to install a vent. Here's what you need to know.
How to Rotate a Toilet and Address Potential Issues
Moving a toilet to a new location can be a challenging task, but homeowners can handle it with the right approach. Read how to reorient your toilet in our step-by-step guide.
How to Install an Outdoor Faucet for Hot or Cold Water
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner add an outdoor faucet with both hot and cold water.
Wrenches that Make Plumbing Easier
Ask This Old House plumbing and heating expert Richard Trethewey demonstrates the uses of less common wrenches
How to Rebuild a Shutoff Valve
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace the shutoff valve underneath her kitchen sink
How to Install a New Kitchen Faucet
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace her kitchen faucet.
How To Solder A Plumbing Pipe
Plumbing and heating expert Richard Trethewey offers landscape contractor Jenn Nawada a crash course on soldering a pipe.
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?
This Old House plumbing and heating expert Richard Trethewey weighs the pros and cons of a plastic tank water heater.