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Hi I was just wondering if anyone can help please, my halstead finest platinum boiler which is getting on a bit has a pressure problem, I swapped over the heat exchanger as I do from time to time as it blocks and normally no problem, but this time I checked the expansion tank and was a little...

I have an old scantronic 9600 alarm system which has been superb but recently the buttons on the keypad are sticking so I want to take it apart and clean it, I unclipped it and the tamper alarm went off so put the code in and that stopped but when I go to unwire the pad the alarm goes off and I...