Skip to main content

Preparation and Access — Shut Off the Water Supply: Preventing Leaks Before You Begin

Beginner2 hours

Part of project

How to Replace a Shower Head and Handle: A Step-by-Step DIY Guide · Step 1 of 4

Helpful?

In this video

Begin by shutting off the main water supply to the house. Open a faucet at the lowest point of the home to drain as much water as possible from the pipes. If there isn't an existing access panel behind the shower, use a utility knife to carefully cut an opening in the drywall to expose the shower valve and plumbing. Finally, open any local shut-off valves for the shower and catch the remaining water in a bucket.

Goal: Prepare workspace and plumbing system

Used in this video

  • Utility Knife (Tool Type: Hand Tools)Cutting an access panel in the drywall
  • Bucket (Tool Type: Cleaning Tools)Catching water drained from the pipes
14.4K views8145 minutes
Lowe's Home Improvement

1.3M subscribers

View Channel

FAQs

Do I absolutely need specific tools like an adjustable wrench and 6-in-1 screwdriver, or can I use alternatives?

An adjustable wrench is highly recommended for proper leverage and grip on the shower head, reducing the risk of stripping. The 6-in-1 screwdriver covers various screw types for the handle. Penetrating oil is also a very helpful addition for stuck parts.

The project says 'beginner' and '2 hours.' Is that realistic for someone with no plumbing experience?

Yes, this project is generally beginner-friendly if you follow the steps carefully. The 2-hour estimate is realistic, but if old parts are corroded or seized, it might take longer. Patience and preparation are key to success.

What's the best way to deal with a shower head or handle that's seized and won't budge?

For a seized shower head, generously apply penetrating oil to the threads and let it sit for 15-30 minutes before trying the wrench again. For a stuck handle, double-check for hidden set screws or snap-on caps before carefully prying with a putty knife.

I've turned the water back on, and now I have a small leak. What should I check first?

First, ensure all connections, especially those involving the shower arm and new shower head, are tight but not overtightened. If the leak persists, try reapplying new Teflon tape (plumber's tape) to all threaded connections, ensuring a good seal.