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    Boiler Fan Issue?

    nice job ian , glad you got the fault rectified all the best
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    Boiler Fan Issue?

    the flames are very unstable due to an imbalanced combustion chamber and from hearing that rattling noise from the videos i have to agree with ian the fan sounds loose on its fixing or the fan mounting lug had sheared off or its impeller is becoming loose on the fan shaft causing a reduction in...
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    Boiler Fan Issue?

    does the sound appear to coming from the lower half of the boiler and not towards the top ?
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    No hot water or heating

    that’s exactly how the designer of the magnaclean unit had the initial idea to develope it in the first place i use that method too , if you tap the pipe with the magnet where the blockage is located it may even moved the sludge away , worth a try !
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    Boiler Fan Issue?

    you won’t get the company detector going off because the leaking combustion products are staying within the air intake duct (white flue pipe ) returning into the boiler , that’s why when the combustion front panel is removed the flames stabilise because they don’t rely on the balanced flue...
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    Boiler Fan Issue?

    sounds like vitiation is taking place on the burner assembley , this is s result of combustion products leaving the boiler within the flue outlet duct returning within the air intake duct and reentering the combustion chamber causing a reduced oxygen level for new combustion resulting in the...
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    central heating pressure keeps dropping

    do you know if the expansion vessel is connected with a silver braided hose ? if so it may be kinked or blocked stopping the system expanding into the vessel , this hose can get blocked solid with sludge , also check your shraeder valve on the top of the vessel is not leaking after you removed...
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    No hot water or heating

    Hi Spike just read your thread and it might be possible that you still have a slow running pump, try reducing the speed selector to speed two or one if the shaft stops dead on either of these speeds then replace the pump. If the pump does run on all speeds then try removing the pump head from...
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    central heating pressure keeps dropping

    Your right Ian I am assuming it is a bi-thermal exchanger boiler he has installed as with the majority of manufacturers boilers incorporating a single heat exchanger design the pump is not required to run for hot water production. it would be helpful to know the manufacturer and model of his...
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    central heating pressure keeps dropping

    Hi the pressure gauge will increase slightly by .25bar if the hot water tap is turned on during a heating cycle because your boilers diverter valve closes off the flow port to the heating circuit and concentrates sending this heating water through the boiler main primary exchanger and hot...
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    Vokera Compact 28 Expansion Vessel

    Hi in reply to your post regarding the valve on top of the expansion vessel this is a shraeder valve and is for connecting a air pressure pump to introduce air pressure to approx 1 bar (14.5 psi) only when the boiler is turned off and completely drained of water.It is very important that this...
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