Squealing mixer

I have the above mixer (or one very similar) which squeals really loudly when in use. It all feels a bit 'loose' and if you push the handles towards the wall the squealing stops but only cold water comes out. Is this easy to fix?
Asked 12 years ago by Anonymous

It sounds like it needs a new cartridge

http://www.showerdoc.com/MIRA-1595-039-Mira-Discovery-Thermostatic-Cartridge-1595-039

However two things to check that can cause a valve to squeal

 

The maximum pressure should be under 5bar and the pressure in the hot and cold should be roughly equal

 

Answered 12 years ago by The Shower Doctor

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