Recent content by closey7

Thank you very much for your useful comments. The problem certainly seems to have been caused by very cold in-coming water.

I have a combi boiler and a Mira 'Exposed Thermostatic Mixer' shower unit. Has always worked well; approx 8 years. This morning, very cold outside - approx -8 degrees outside - water at required temperature came through but it stopped flowing after about 10 seconds at the warmest setting...