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so it could easily be the pcb at fault?

Just been looking at some very old posts on the forum. It has occurred to me the short out the wires to the flow switch...with the water running and heating off and see if the boiler fires up. However there are 3 wires. Anyone know which two will work? wires are pink green and...

:oops: didnt see it! Thanks! :D however the 'suppliers' I have found so far show only 801189 800370 801136

Ha... its has two prv's already...and the latest 'new' one 'weeps' anyone any idea of the upgraded part no?

There used to be a link to a 24ci boiler manual in another post (it listed spare parts numbers) but the link is dead. i have lost the manual! Glow worm only show the 30ci (and several parts seem different) There are several websites showing spares but there are numerous glowworm switches! ...

Hi Dave that was quick! Yes it is a combi. The control panel (on the boiler front) when boiler is idle shows 1.2bar....thats all. If I turn up the room thermostat the boiler starts and heats the rads Ok. When i turn on the hot tap (with the rads off) nothing happens ....just hear the...

The boiler lost power yesterday and I soon found that the internal fuse was blown. The boiler fired up again but now there is no hot water....with or without the heating on. I suspect it may be the pressure sensor, but since fuses dont blow for no reason any other suggestions, please. How...

I fitted double glazing in January 2002 to my house and was unaware that there were upcoming changes in April 2002 (the dg supplier did not advise). When I fitted the went to the same supplier for an additional replacement for a porch in 2005 they said that the only difference in their...

Thanks Gasguru I unscrewed the fill valve and it fell out of the housing. After I found the rubber bits etc in the flood on the garage bench I put them back together and very slowly (10 mins) got the pressure up to 0.9 bar. Seems the valve was stuck! I will get a new one. Not come...

Hi I turned off the water supply toady to fit a garden tap. When I turned on the water again the CH Boiler a GlowWorm 24ci was showing 0.3 bar and flashing red. So as I have done in the past I tried the refill valve but nothing happens. Water flows to the hot taps so the supply is reaching...