022808 cartridge for a 405 manual aqualisa shower

Do I have to drain both the hot and cold water system before replacing this cartridge?

Also, does the cartridge come with 4 replacement screws?

Thanks
Asked 9 years ago by Anonymous

Depending on the system you may not have to drain the hot and cold water system you should be able just to turn the water off there should be valves near your coldwater storage tank.

The cartridge comes complete with screws and a new gasket 

Answered 9 years ago by Anonymous

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