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I have no ch or dhw. The boiler goes through all its start up procedure but the fan starts and runs for a couple of seconds then slows down for a couple then speeds up for a couple. Its on off on off. But no heating or hot water. Any ideas anyone

Hi, can anybody help with this one. My ideal isar 30he is making sounds like the gas is igniting and back firing in the flue system. Its definitely the gas. Cant understand what is causing it. The only thing I can think of is that the ignition is being delayed somehow, allowing the gas to build...

I want to replace my controller Landis & Gyr Crossling controller. Does anybody know which controller would be a direct swap for it, without having to alter any wiring. Cheers

Hi, Had and electriction round this weekend to price an electric shower. As the bathroom is all tiled on solid walls he sugested running the cable in surface mount conduit so as not to have to dig holes in walls ect. Sounds fine to me, but is this allowable, does the guy know what he is...