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I have halstead finest boiler and recently what has started happening is the safty lockout light has started coming on when hot water is requested. The interesting thing is that the safty lockout light only seems to come on when hot water is requested from up stairs bathroom, normal request for...

Chaps, Just done a Small service on my boiler, heat exchange descaling and replace hot water and central heating diaphram and also replace AAV - now safety lockout light coming on when I power up boiler. The problem appears to be with central heating probe switch not wanting extend when in...

Good Morning Chaps, I have Halstead Finest boiler and the safty lockout light has started to come on, disconnecting the power supply appear to get rid of the problem. However when I put the hot water on, the radiator also start to heat up also, on checking the micro-switch for Primary...

Chaps - I have a PEX plastic pipe connecting to copper, PEX connectors appears to have developed a crack. Question is how do you you take the old connectors off and replace it , what special equipment do I need. Picture of the PEX connector is attached with appropraite leak - any advise...

I have halstead finest boiler, have just replaced the flow manifold/diverter value as it was leaking water. Now DHW will only come on when I have CH on. When I turn the hot water tap on, boiler is not kicking in, in the past I would hear a click indicating the micro switch had been activated...

Hi, I have Halstead Finest Boiler and certainly replaced a leaking divertor value on it and Automatic Air Vent, unfortunately the hot water isn\\\'t very hot now and then every couple minutes or so trips out - centeral heating is fine. I have checked the diephram and this also fine. Any advise...