potterton puma 80, h/w is fine but when calling for c/h boiler fires and runs for approx 15 seconds then shuts down cutting out pilot light. Isolated h/w supply to confirm no drips but still cuts out, also replaced wax capsule but problem persists.

any ideas appreciated

paula, September 2007

diverter is not opening to let water 2 rads ,overheat ,replace

kris, September 2007