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if it helps on my diagnostic pcb light 1 is lit (live feed/fuse) i replaced the fuse just now and the light is still lit and its still buzzing but not blowing the fuse anymore? the c/h has been off all day and is cold but after i left this buzzing for say 20 seconds trying to find where the...

whats the best way to find out its the pump, i changed the fuse a couple of times and when i switched it on i got a buzzing/grinding electrial noise from the direction of the pump but how can i proper diagnose it many thanks

can i change this myself or is it a job for gas safe, if so how easy is it

Hi my central heating boiler which is a glowworm compliheat fuel saver 30. this runs only my central heating has been there i would say over 10 years, i had it running last night as it was quite cold and when i got up the heating was off and was making a buzzing sound, i switched it of and on...

hi there, for the past year (i think) my glowworm compleheat fuel saver 30 central heating boiler seems to run out of water, the low water pressure light comes on and the heating will not switch on. after further investigation i noticed that water was leaking through the overflow pipe constantly...