How to remove the thermostatic cartridge Customer Support January 27, 2021 21:12 Updated Below are some videos to better aid you in the removal of the thermostatic cartridge. Related articles Control knob stiff to turn My shower leaks water - What is the problem? How much does it cost to operate a steam room? What is the small button underneath the control panel? Selector valve not set correctly Comments 0 comments Please sign in to leave a comment.