2 hours ago Sandy asked ... Replace vertical gear on Singer Fashion Mate 252?    |    Blaablaa asked ... How can I fix?    |    pete asked ... Flymo 330 turboglide?    |    keith asked ... Fuseboard( s) location of renault trafic t1100 1993?    |    Janet asked ... Neff B1641 door not closing at top?    |    Click here to ask your question

I have a micron 50ff?

The heating is constantly on when hot water is on on constant. The system has 2 2 port valves with 1 side of lever staying on auto the other side says main. It is always in auto position. What is likely to be the cause for heating staying on always. If anyone can help it woul be appreciated. Oh and also the same as others have mentioned I have to keep resetting the boiler. Thanks
Jeff, July 2016