This question is regarding Mira Zest - Post 2003 - Shower Spares

Corrosion

What causes a white powdery deposit around the base of the thermal trip on my Mira Zest and how can I prevent it?
Asked 10 years ago by Bill
This is a reaction caused by damp and the metals used etc and there is nothing to be done. As long as this is not causing a problem you should not bother with it.

Answered 10 years ago by Anonymous

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