how do i go about changing the flow meter in my boiler(optima 701)and is there a way to test it to see if its faulty or should i just change it.the problem is that when you turn hot water tap on the water goes hot and then cold,it does this often when you leave the hot tap running.thanx Brian
ferroli optima boiler 701
- Thread starter needsy
- Start date
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my c/h works its just the hot water i have trouble with so is it just the one part that could be faulty
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