This question is regarding Sirrus 1600 cartridge assembly (no thermostat) SK1600-2

shower running only luke warm

Hi I have adjusted the temperature control to the highest position (fully anti-clockwise) but the water temperature is still only luke warm. What are the possible faults and do I need to change the whole cartridge?
Asked 9 years ago by Anonymous
Try re greasing the innards and testing the www.showerdoc.com/grohe-wax-thermostat-00798000

Answered 9 years ago by Anonymous

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