Skip to main content

Shut Off Water Supply and Drain Lines — Turn Off the Water Supply to Your Shower

Beginner3 hours

Part of project

Refresh Your Bathroom: A Step-by-Step Guide to Shower Trim Replacement · Step 1 of 5

Helpful?

In this video

Before beginning, locate the main water shut-off valve for the house and turn it completely off. Return to the shower and turn the faucet handle to the 'on' position to drain any remaining water from the hot and cold lines.

Goal: Prepare plumbing for safe work

  • Ensure all water has stopped flowing before proceeding to the next step.
72.4K views2025 minutes
RepairClinic.com

641K subscribers

View Channel

FAQs

What specific tools will I need beyond the listed screwdrivers, especially for removing the handle?

You'll almost certainly need an Allen wrench or hex key set for the handle's setscrew. A utility knife can be helpful for scoring old caulk or stubborn seals, and a flashlight improves visibility in tight spaces. Pliers might also be useful for gripping and turning any stuck nuts or components.

What should I do if the main water supply valve to the shower doesn't completely stop the water flow?

If water still drips after turning off the local shut-off valve, it might be faulty or not fully closed. Try turning off the main water supply to your entire house, usually located near your water meter or main shut-off. If the problem persists, you may need a plumber to inspect or repair the valve before proceeding to avoid water damage.

My old shower handle or escutcheon is stuck due to corrosion or caulk; what's the best way to remove it without causing damage?

For corroded parts, apply a penetrating lubricant and let it sit for a while to help loosen rust. If caulk is the issue, carefully score around the edges of the escutcheon with a utility knife. Use gentle prying with a non-marring tool, like a plastic putty knife or a wide, flat screwdriver, to avoid scratching your shower surround.

Is the 3-hour estimated time realistic for a beginner, and what factors could make the project take longer?

The 3-hour estimate is realistic for a straightforward replacement with easily removable parts. However, older fixtures, significant corrosion, stripped screws, or unexpected compatibility issues with new trim can extend the project duration. Always budget extra time, especially if it's your first time tackling this type of DIY.

Shut Off Water Supply and Drain Lines — Refresh Your Bathroom: A Step-by-Step Guide to Shower Trim Replacement (Step 1, Video 2) | Stesso