boiler has stopped heating water, the main burner does not work, pilot light is lit, and the pump runs,new pump, the fuse is ok and the programmer shpws two lights and turns on and of ok, motorised valves ok, can you point me in the right direction as to whichb component may be at fault.

many thanks

chris

chris poyser, April 2006

take small cover of gas valve and check voltage with multimeter if their is 240volts gas valve gone if not go to boiler stat again check for 240 v keep going until correct current found then repair .

paul, April 2006