This question is regarding Trevi Boost Brass Thermostatic Cartridge - A963348

Ttevi Boost Thermostatic Cartridge

I am having a problem with removing the above cartridge from a built in shower valve as it seems to be seized in. Can you please confirm if it is a left or right hand thread. Do you have any other tips to free the cartridge from the main body please
Asked 6 years ago by Colin
Try spraying the area with some WD 40 first to see if this helps.

The cartridge unscrews to the left.

Answered 6 years ago by Barrie Seabright

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