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    how to drain system to change the water pressure switch

    Hi I have a worcester junior 28i boiler and need to train the system to allow me to change the water pressure switch. As I understand it I need to drain from the red cap (left side bottom of boiler) and drain screw under pump. Is this correct and do I need to drain from anywhere else? The...
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    Pressure Vessel/Expansion Vessel - what pressure? 1-1.5 bar?

    Please help My pressure gauge is broken if I check the pressure of my combi boiler via the Pressure Vessel/Expansion Vessel using a tyre pressure gauge should this read the same as the pressure if it was workin???
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    combi boiler will not fire up - it's freezin please help

    I've have a worcester 28i junior that won't fire up in water or heating. This seems to of happened since the water board changed the external stop cock. The pressure gauge is u/s and has been for a while but the heating/water was fine (i have orded anew one), I've bled the radiators and...
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