Hi, My worcester 240 combi boiler's pilot light won't stay on. I can light it by holding down the pilot light button but as soon as I release it slowly it goes off. Turning the heating or water on while keeping the pilot light button down doesn't work. CAn anyone tell me what needs replacing

Slade, July 2007

how do you change a thermocouple?

chris Taylor, July 2007

just had the same problem,plumber replaced the thermocouple,problem fixed.

stevie., July 2007