How to Replace a Shower Valve Cartridge

Written by: Erica Spangler
Design Specialist
(800) 375-3403

Reduced water pressure in the shower could indicate that you need to replace the shower valve cartridge. Yes, it sounds a little intimidating, but we know you can easily do this without having to call your contractor.

Tools / Materials:

- New Shower Valve Cartridge

- Allen Wrench

- Screwdriver

- Needle Nose Pliers

- Locking Pliers or Standard Pliers

Products:

Shop Pliers and Shop Screwdrivers

Step by Step Instructions

How to Replace a Shower Valve Cartridge: Step 1

Step 1:

Remove the handle. Determine the tool you’ll need for this, as it’s commonly an Allen wrench or screwdriver.

How to Replace a Shower Valve Cartridge: Step 2

Step 2:

With a screwdriver, remove the screw at the end of the valve.

How to Replace a Shower Valve Cartridge: Step 3

Step 3:

Remove the parts inside the valve housing.

How to Replace a Shower Valve Cartridge: Step 4

Step 4:

Remove screws on trim plate and carefully remove the plate itself.

How to Replace a Shower Valve Cartridge: Step 5

Step 5:

Determine if your valve has water stops. If it does, turn off the water flow by tightening the screws. If your valve does NOT have water stops, turn the water off at the main.

How to Replace a Shower Valve Cartridge: Step 6

Step 6:

After you’ve turned the water off, remove the valve clip using a set of needle nose pliers.

How to Replace a Shower Valve Cartridge: Step 7

Step 7:

Using a pair of locking pliers (or standard pliers) get a strong grip and pull the old cartridge out.

How to Replace a Shower Valve Cartridge: Step 8

Step 8:

Insert the new cartridge using the method outlined in the manufacturer-issued installation instructions.

How to Replace a Shower Valve Cartridge: Step 9

Step 9:

Replace the clip, and turn the water stops back on (or turn the water back on at the main).

How to Replace a Shower Valve Cartridge: Step 10

Step 10:

Replace the trim plate, and reassemble the parts exactly as they were when they were removed, and reattach the handle.

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