Plumbing How To & DIY
Improve the value of your home by discovering our plumbing step-by-step tips & ideas.
How to Cut Plumbing Pipes and Tubing Safely and Precisely
Learn how to correctly cut plumbing pipes safely with our step-by-step guide. We cover materials you can cut, proper techniques, and more.
How to Install a Heat Pump Water Heater
This Old House plumbing and heating contractor Richard Trethewey demonstrates how to install a heat pump water heater in this video.
How to Clear a Clogged Sink Drain
This Old House plumbing and heating contractor Richard Trethewey demonstrates how to get the water flowing out again
How To Convert a Toilet to Dual-Flush
This Old House plumbing and heating contractor Richard Trethewey shows how to save water without replacing the toilet.
How To Detect and Fix a Bathroom Leak
This Old House plumbing contractor Richard Trethewey shows how to find and fix bathroom leaks in this video and step-by-step guide.
13 Easy Bathroom Upgrades
Feeling underwhelmed by your bathroom? These 13 bathroom upgrades are great for DIYers who want to spruce up their home.
Fixing Running Toilets and Dripping Faucets
Learn how to perform simple repairs for two of the most annoying kitchen and bath plumbing problems with tools you probably already have.
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.
Dealing With Frozen Pipes: Prevention and Repairs
In this video, This Old House plumbing and heating expert Richard Trethewey shows various ways to prevent and thaw frozen pipes.
Installing a Basement Sump Pump
This Old House general contractor Tom Silva demonstrates how involved putting in a sump pump can be
How to Install Below-Grade Toilets: What You Need to Know
Below-grade toilets are a great way to get a basement bathroom, but they require a little extra work. Here's everything you need to know.
A Complete Guide To Installing a New Toilet Flange
Dealing with a wobbly toilet? Our step-by-step guide explains in detail how to install a new toilet flange to help resecure it.
How To Replace a PVC Sink Trap
Learn how to replace a leaky PVC sink trap in this guide, with tips from This Old House plumbing and heating expert Richard Trethewey.
How To Install a Toilet Below Grade in Your Home
This Old House plumbing and heating expert Richard Trethewey shows how to install a basement bathroom properly.
How to Drain Pipes for the Winter in a few Simple Steps
Frozen and burst pipes can be a huge hassle -- and even a hazard -- in winter months. Read our step-by-step guide to learn how to drain pipes for the winter.
Cures for the Creaky House
Those aren't ghosts making a racket in your home—it's just normal wear and tear taking its toll. Check out these remedies for common noises.
How To Install a Water Pressure Booster
Learn how to improve the water pressure in your home with This Old House plumbing and heating expert Richard Trethewey.
How to Install a Propane Tankless Water Heater
This Old House plumbing and heating expert Richard Trethewey shows how to get hot water quickly and efficiently
Get a Handle on the Kitchen Faucet
Learn the name and function of all the parts of your single-handle faucet so you can decide whether to repair it yourself or call in a pro.
How to Secure Loose Pipes
This Old House plumbing and heating expert Richard Trethewey shows how to strap in shaky and rattling shower valve pipes
How To Install a Dual-Flush Toilet
This Old House plumbing and heating expert Richard Trethewey shows how to install a new dual-flush, water-saving toilet.
How to Replace Polybutylene Pipes
This Old House plumbing and heating expert Richard Trethewey demonstrates how to replace polybutylene pipes
How To Fix a Leaking Toilet
In this guide, we’ll walk you through identifying toilet parts, common issues, and solutions to get your toilet working properly again.
How to Install a Water-Powered Sump Pump
This Old House plumbing and heating expert Richard Trethewey shows how to install an emergency backup sump pump
How To Replace a Bathtub Drum Trap
Watch as This Old House plumbing and heating expert Richard Trethewey shows how to replace an old bathtub drum trap with a new PVC P-trap.
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 Repair a Garbage Disposal
If your garbage disposal suddenly stops working, it's likely jammed. Read our simple guide to fix your garbage disposal yourself.
How to Unclog a Toilet
A clogged toilet is a common problem. In this guide, This Old House contractor Richard Trethewey explains how to best unclog your toilet.
Automatic Valve Shut-off for Washing Machines
The Intelliflow turns washing machine water-supply valves on and off, so you don't have to
How To Install an Air Valve for a Hot Water Heating System
Air that gets trapped in your hot water heating system can leave homeowners in the cold. Learn how to install an air valve for a hot water heating system in our step-by-step guide.
How to Install a Frost-Proof Faucet
In this how-to video, This Old House plumbing and heating contractor Richard Trethewey shows how to replace a standard hose faucet with a freeze-resistant model
How To Add Sink Valves to Laundry Supply Lines
Having a convenient water source for tasks beyond laundry adds versatility and convenience to your home. Here's how to make this upgrade.