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Water Heater Installation Basics

A person installs a water heater in a home.

Last updated September 7, 2023

A knowledge of water heater installation is essential once you decide on the best water heater for your home. Proper installation ensures your water heater is connected to the supply lines and distributes water at the right temperature.

When installing a water heater make sure all manufacturing instructions are followed and local ordinances are met. This guide gives you the basics for installing a new water heater in your home. 

Difficulty:

Advanced

Duration:

2-4 hours

Project Guide
Home Improvement Ideas
Appliance Guides
Plumbing
Water Heaters
Basement

Table of Contents

  1. Get a Permit

  2. Remove the Old Water Heater

  3. Disconnect the Water Lines

  4. Set Up the New Water Heater

  5. Wrap the Heat Trap Fitting Threads

  6. Replace Shut-off Valve