How do I remove a stuck thermostatic shower cartridge?

You can use a hairdryer, but a more effective way to soften and dissolve scale is to inject vinegar into the valve housing using a syringe. Let the vinegar work overnight and, in the morning, you may be able to extract the cartridge even without a cartridge puller.

How do you remove a bristan thermostatic cartridge?

Remove the centre cap / indice and then the retaining screw. Pull the temperature handle and temperature handle adaptor off. Remove the temperature stop ring and remove the circlip that holds the flow handle in place. Once this has been removed the flow handle will pull off.

How do you get a stuck cartridge out of a faucet?

The usual procedure for removing a cartridge is to unscrew the handle, and after turning off the water, pull out a retaining clip. In the best of circumstances, you then grip the cartridge stem with pliers and pull, and the cartridge should slide right out.

How do you remove the cartridge from a faucet?

You’ll likely need to remove a bonnet nut or retaining nut. Unscrew the nut with an adjustable wrench. The plastic cylinder with a stem on top is the faucet cartridge….Remove the Handles

  1. Use a screwdriver to remove each screw.
  2. Set the screw aside.
  3. Carefully pull straight up on the handle.
  4. Repeat for the other handle.

How do you take apart a shower cartridge?

There’s a small clip holding the cartridge in the shower valve. Carefully pry that up. Use a cartridge removal tool to carefully work the old cartridge back and forth until it can be safely removed from the wall. The cartridge removal tool may be included with the replacement cartridge.

Can you fix a shower cartridge?

Most single-handle, cartridge-style faucets can be repaired in an hour or less with basic tools.

How do you remove shower cartridge?

How to do it

  1. removing handle from faucet. Remove Handle.
  2. removing retaining clip. Remove Retaining Clip.
  3. remove cartridge with wrench. Remove Cartridge.
  4. replacing o-rings on cartridge. Replace O-Rings.
  5. installing new cartridge. Install New Cartridge.

Why do thermostatic cartridges fail?

There are several reasons why the cartridge may have failed; the number one cause is an in-balance in water pressure between the mains cold pressure and the heated hot water(and this is very common). This constant in-balance between the two will cause damage to the cartridge which is housed within the valve.

How do you remove a single handle faucet cartridge?


  1. Remove the Faucet Lever Handle. To remove the old cartridge, you first have to remove the handle.
  2. Remove the Retaining Nut.
  3. Variation: When the Retaining Nut Is Not Visible.
  4. Remove the Retention Clip (If Present) and the Old Cartridge.
  5. Purchase the New Cartridge.
  6. Install the New Cartridge.
  7. Reassemble the Faucet.