the boiler fires up but cuts out after about 1 min, its as if it is boiling the water like a kettle, checked the 3 way valve seems ok ,pump seems to be running ok , any ideas?
sounds a little weird but try sticking a stong magnet on the flow and return valves if it sticks there is a blockage
123, November 2009
look at http://www.howtomendit.com/answers.php?id=197827
your queston is also in there but you may find an answer in amoung all the other problems listed.
