Hi I have a sime80c format combi. I have had no hot water for 4 years (electric shower). Recently I had the diaphragm in the diverter valve replaced. Now I have hot water but only when the heating is on. I noticed the water flow switch is very stiff, the micro switch works but only manually. Could the water flow switch be my issue. Thanks in anticipation.
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by Robpoole » Fri Mar 06, 2020 12:07 pm 
