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Alpha24R boiler +Honeywell Y plan. I have had problems with CH OK but no hot water. After much investigation (including replacing the cylinder stat - unnecessary) I seem to have found that the fault is the programmer. With both heat and HT calling, the programmer is live on both HW-on and...

I have a Victorian house (1887) which had an Injected DPC when we bought it 28 years ago. One corner of the kitchen (basement) is damp over a metre from the floor. Next door's yard is about 25 cm higher than ours which possibly why the damp is so high. I need to inject an impermeable barier -...

I have just had a new Alpha CD24R boiler fitted (by a COTGI fitter) but his electrician made a complete hash of the wiring - twice. I am waiting for another sparky to come but after my previous experience I'd like to know what the wiring should be. The boiler is to be wired in to an existing...