Skip to main content

Shut Off the Main Water Supply — Shut Off Water and Drain Pipes

Beginner2 hours

Part of project

How to Make a Quick Pipe Repair with Push-to-Connect Fittings · Step 1 of 7

Helpful?

In this video

Locate the main water shut-off valve for the house, which is typically found in the basement or a utility closet where the water line enters the home. Turn the valve handle clockwise until it is fully closed to stop the flow of water into the house's plumbing system.

Goal: Stop water flow to the house

  • Make sure you know where your main water shutoff is before you start any plumbing project.

Used in this video

  • Main Water Shut-off Valve (Tool Type: Plumbing Tools, Material: Metal)To stop the flow of water to the entire house.
108.0K views5432 minutes
Home Repair Tutor

671K subscribers

View Channel

FAQs

Do I need special tools like a tubing cutter and reamer, or can I use basic tools I already own for this repair?

Yes, a dedicated tubing cutter and a deburring tool are highly recommended for this project. They ensure clean, straight cuts and smooth pipe ends, which are crucial for a leak-proof seal with push-to-connect fittings. Using incorrect tools can damage the pipe or compromise the fitting's integrity.

What's the most critical safety step I need to take before starting any plumbing repair, especially this one?

The absolute most critical step is to completely shut off the main water supply to your home or the affected area and drain the pipes thoroughly. This prevents accidental flooding and ensures you can work safely without water pressure. Always double-check by opening a nearby faucet to confirm no water is flowing.

Is the 2-hour estimated time realistic for a beginner, and what might make the project take longer?

For a beginner, 2 hours is a realistic estimate if you have all your tools and materials ready and the damaged section is easily accessible. The project might take longer if you encounter unexpected pipe types, struggle to make straight cuts, or need extra time to locate and operate your home's main water shut-off valve.

What are the most common mistakes beginners make when installing push-to-connect fittings, and how can I avoid leaks?

Common mistakes include not properly deburring pipe ends, failing to mark the correct insertion depth, and not pushing the pipe fully into the fitting. To avoid leaks, ensure all pipe ends are smooth, mark the recommended insertion depth from the fitting's instructions, and apply firm, even pressure until the pipe is fully seated.