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The DIY Guide to Fixing a Pinhole Pipe Leak Without Professional Help

root
February 1, 2024
5:24 pm
0 comments

Here’s a step-by-step guide on how to repair a water pipe with PEX:

Repairing a water pipe with PEX (cross-linked polyethylene) tubing is a relatively straightforward process that requires a few tools and materials.

Materials and Tools Needed:

1. PEX tubing (matching the size of the damaged section)

2. PEX pipe cutter

3. PEX fittings (couplings, elbows, tees, etc.)

4. Crimping tool or cinch/clamp tool

5. Deburring tool

6. Adjustable wrench

7. Marker or pencil

8. Safety glasses

Step 1: Turn Off the Water Supply

Before beginning any repair work, turn off the water supply to the affected area. Locate the shut-off valve and turn it clockwise until it’s fully closed. Then, drain any remaining water from the pipes by opening faucets at a lower elevation.

Step 2: Cut Out the Damaged Section

Using a PEX pipe cutter, cut out the damaged section of the PEX tubing. Make sure to make clean, straight cuts to ensure a proper fit with the new PEX tubing and fittings. Measure and mark the sections to be cut before making any incisions.

Step 3: Prepare the Ends of the PEX Tubing

After cutting out the damaged section, use a deburring tool to remove any burrs or rough edges from the ends of the PEX tubing. This will ensure a smooth connection and prevent leaks.

Step 4: Select and Install the Fittings

Choose the appropriate PEX fittings (couplings, elbows, tees, etc.) for your repair job. Slide the crimp rings or stainless steel clamps onto the ends of the PEX tubing, then insert the fittings into the tubing ends. Make sure the fittings are fully inserted to achieve a secure connection.

Step 5: Crimp or Clamp the Fittings

Using a crimping tool or cinch/clamp tool, crimp or clamp the rings securely around the fittings. Apply firm pressure to ensure a tight seal. Double-check that the crimp rings are properly positioned and fully compressed to prevent leaks.

Step 6: Test the Repair

Once the fittings are installed and secured, turn the water supply back on and check for any leaks. Inspect the repaired section carefully for any signs of dripping or moisture. If everything looks good, you’ve successfully repaired the water pipe with PEX.

Step 7: Insulate the Repaired Section (Optional)

To provide additional protection and prevent freezing in cold climates, consider insulating the repaired section of the PEX tubing with foam pipe insulation. This will help maintain the integrity of the repair and prevent future issues.

By following these steps, you can effectively repair a water pipe with PEX tubing. Remember to prioritize safety and take your time to ensure proper installation. If you’re unsure about any step of the process, don’t hesitate to consult a professional plumber for assistance.