Plumbing Installation

Read through step-by-step tutorials to help you prepare for any installation pertaining to your plumbing.

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How to Install a Kitchen Sink

Interested in adding a new kitchen sink? We’ve created a 10-step guide on how to install a new kitchen sink like a pro. Read on to learn more.
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How to Install a Reserve Tank

Plumbing and heating expert Richard Trethewey installs a reserve tank so a homeowner can finally fill their tub with hot water for a relaxing bath.
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7 Best Tankless Water Heaters (2024 Guide)

Our guide to the best tankless water heaters compares the top models and provides guidance on how you can save space, money, and time.
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Septic Tanks: A Comprehensive Guide for Homeowners

If your home has a septic tank, this is everything you need to know about your septic system, from installation to pumping.
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Installing a Dishwasher in an Old Kitchen

In this DIY Smarts, Ask This Old House plumbing and heating expert Richard Trethewey and carpenter Nathan Gilbert team up to help a homeowner retrofit a new dishwasher into an old kitchen.
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Well Pump Cost and Installation Guide

The well pump is an integral part of your well system, feeding water into your home for use on a daily basis. In this article, we explain the steps you need to take to repair or replace your broken well pump.
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How To Install a French Drain

Looking to install a French drain on your property? Check out our guide for step-by-step instructions for installing a French drain in your yard.
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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 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
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How to Replace an Old Kitchen Sink With a New One

Give your kitchen a quick update by replacing an old kitchen sink with a new one using our easy to follow guide.
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How To Install a Reverse Osmosis Water Filter

Ask This Old House plumbing and heating expert Richard Trethewey shows you how to install a simple reverse osmosis water filter system.
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Tankless Water Heaters: What You Need to Know Before You Buy

Tankless water heaters warm water on demand, so you never run out of hot water. They’re also energy efficient, which saves you money on utility bills.
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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.
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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.
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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.
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How To Hook Up Washing Machine Plumbing

This Old House plumbing and heating expert Richard Trethewey re-plumbs a washing machine.
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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.
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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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Automatic Valve Shut-off for Washing Machines

The Intelliflow turns washing machine water-supply valves on and off, so you don't have to
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How To Create Zones in a Hot Water Heating System

Zoning can improve comfort levels and energy efficiency. Discover how to create zones in a hot water heating system in this guide and video.
Richard Trethewey attaches a hose to a freezeproof faucet on the outside of a house.

How To Install a Freezeproof Faucet: A Step-by-Step Guide

Follow this guide to learn how to install a new exterior faucet that will help protect your pipes from freezing and bursting in the winter.
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How to Stop Your Toilet from Sweating

Dry out your bathroom or install a sweat valve—a little warm water will keep the exterior of your toilets dry all summer long.
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Aligning PVC Pipe Parts

Pro tips for achieving the perfect joint
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Adding Sink Shutoff Valves

Adding a sink shutoff valve is a simple and inexpensive DIY project. Read this guide to learn how to attach straight and angle-stop valves.