1 hour ago Kathy asked ... Samsung ER-4915?    |    Mark asked ... Oven door removal?    |    Jt asked ... Where to buy mt270x petrol cap?    |    Jo asked ... How to engage clutch on old sewing machine to engage needle?    |    Jacky asked ... Miele Vacuum cleaner?    |    Click here to ask your question

heating?

ClassicFF boiler periodically kettles and occassionally pumps over.
New pump fitted, Cylinder stat, roomstat working fine.
System over heats for no apparent reason
Mr. Trunky, February 2009
sounds like a problem with the boiler thermostat

tim, February 2009