How to remove cartridge

I am struggling to get plastic part and split ring off (photo attached) so that I can get to cartridge. What is the technique?

Thanks
Asked 10 years ago by Anonymous

Pour a few kettles of boiling water over it, it may expandthe plastic just enough to release it grab lip with pliers and pull forward.the plastic

Answered 10 years ago by The Shower Doctor

View Product and Order Online:

Do you require any further help with Tap or Shower Cartridges?

Please click the following link if you would like to see other answers or ask a question regarding the Crosswater RV Multifunction Thermostatic Cartridge (new style)

If you've landed here and this question is not about your specific product, please take a look at these similar items on our Crosswater Cartridges page. Alternatively, if you're looking for any other brands you should view our full range of Cartridges.

If you would like to buy this cartridge or look others from the same brand, please view our Replacement Crosswater Cartridges (All)

For any other support request please get in touch.