How to Replace a Leaking Pressure Shower Valve

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The most popular type of shower valve on the market today is the pressure balance valve. This type of valve is easier to stop leaks than you might think. After reading this article, we hope you will feel confident enough to tackle the project on your own.

Solex Black Thermostatic Concealed 1 Outlet Shower Valve
(Image Credit: Tapron UK)

REMOVE FACE AND HANDLE PLATE

Take out the indicator button and use an Allen (Hex), wrench to loosen the handle.

Use a Philips head screwdriver to remove the screws that secure the face plate. Next, remove the face plate.

Make sure you check to make sure your valve has screwdriver stops. If so, turn the valves clockwise with flathead to close them.

REMOVE THE DOME CAB AND SLEEVE

Do it by hand. Next, use channel locks or an adjustable wrench to remove the retaining sleeves.

PULL THE CARTRIDGE & SPOOL

Use a needle nose plier or an Allen wrench to remove the cartridge. Gently pull the balancing rod from the valve.

CLEAN AND INSPECT THE SPOOL

  • Once you have taken the spool out, turn it around. A rattle should be heard.
  • If it doesn't rattle, you can soak it in 50/50 water and vinegar overnight to dissolve any minerals that might be preventing the plunger from working freely. Or you can just replace it.

REPLACE THE CARTRIDGE

  • To correctly identify the part, use the cartridge
  • Assemble everything precisely as it was

TIPS

  • Cover the shower drain or tub with a clean rag. This will stop small pieces from getting into your drain.
  • Check that the water supply is shut off.
  • After you have replaced the necessary parts, take out the shower head.
  • Turn on both valves, and allow the water to run for a minimum of 30 seconds. This will remove any debris.

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