Seamless showers: how to connect shower valve to pex for trouble-free flow
What To Know
- Whether you’re a homeowner tackling a bathroom renovation or a professional plumber, this comprehensive guide will provide you with the step-by-step instructions and expert tips you need to complete the task flawlessly.
- The crimp rings should be fully seated and the teeth should be evenly spaced around the PEX pipe.
- Can I connect a shower valve to PEX without using crimp rings.
Are you looking to connect a shower valve to PEX piping? Whether you’re a homeowner tackling a bathroom renovation or a professional plumber, this comprehensive guide will provide you with the step-by-step instructions and expert tips you need to complete the task flawlessly.
Required Tools and Materials
- PEX pipe cutter
- PEX crimping tool
- Crimp rings
- PEX expander tool (if using PEX-A or PEX-B)
- PEX inserts (if using PEX-A or PEX-B)
- Shower valve
- Teflon tape
- Plumber’s putty
Step-by-Step Instructions
1. Prepare the PEX Piping
- Measure and cut the PEX pipes to the desired lengths.
- If using PEX-A or PEX-B, expand the pipe ends using the expander tool.
- Insert the PEX inserts into the expanded pipe ends.
2. Install the Shower Valve
- Apply Teflon tape to the threads of the shower valve.
- Insert the shower valve into the wall and tighten it securely.
3. Connect the PEX Pipes to the Shower Valve
- Slide a crimp ring onto the PEX pipe.
- Insert the PEX pipe into the shower valve port.
- Crimp the crimp ring using the crimping tool.
- Repeat steps for all PEX pipes.
4. Apply Plumber’s Putty
- Roll out a small amount of plumber’s putty.
- Apply the putty around the base of the shower valve.
5. Install the Shower Trim
- Install the shower handle, escutcheon, and other trim pieces.
6. Test the Shower Valve
- Turn on the water supply.
- Check for leaks around the shower valve and connections.
- Adjust the shower valve to the desired temperature and flow rate.
7. Finish Up
- Clean up any excess plumber’s putty.
- Enjoy your newly installed shower valve!
Tips for Success
- Use high-quality PEX piping and fittings.
- Cut the PEX pipes straight and square.
- Expand the PEX pipes evenly and insert the inserts securely.
- Crimp the crimp rings tightly enough to create a watertight seal.
- Apply plumber’s putty generously to prevent leaks.
- Test the shower valve thoroughly before using it regularly.
Troubleshooting Common Problems
Leak around the shower valve:
- Check the Teflon tape is applied properly.
- Tighten the shower valve.
- Reapply plumber’s putty.
PEX pipe leaks:
- Check the crimp rings are crimped correctly.
- Replace any damaged PEX pipes or fittings.
Shower valve not working properly:
- Check the water supply is turned on.
- Inspect the shower valve for any blockages or damage.
- Contact a professional plumber for assistance.
Top Questions Asked
Q: What type of PEX pipe should I use?
A: For shower valve connections, PEX-A or PEX-B is recommended due to their flexibility and durability.
Q: How do I know if the crimp rings are crimped properly?
A: The crimp rings should be fully seated and the teeth should be evenly spaced around the PEX pipe.
Q: How often should I inspect the shower valve?
A: It’s recommended to inspect the shower valve annually for any leaks or damage.
Q: Can I connect a shower valve to PEX without using crimp rings?
A: Yes, you can use PEX compression fittings or PEX expansion fittings as alternatives to crimp rings.
Q: What is the purpose of plumber’s putty?
A: Plumber’s putty seals the base of the shower valve and prevents water from leaking from the wall.
