Recent content by taff224

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    Veissmann Vitodens 100 WB1A - F2 fault

    Wasn't there when the service was done so not sure. We'll start with the likely places for sludge and see what happens.
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    Veissmann Vitodens 100 WB1A - F2 fault

    All the work is being done by a Gas Safe registered fitter, but we've both hit the simple options and are now into dismantle and work our way through the system....he is coming back with the correct gasket kit to strip down the pump manifold and associated pipework....just thought I'd ask on...
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    Veissmann Vitodens 100 WB1A - F2 fault

    Evening all, Hoping someone might have an idea. I have a WB1A (System boiler, 4 pipe, CH supply and return and HW tank supply and return) which recently developed an F2 fault. Boiler kicks in, heats up rapidly, then cuts out due to overtemp and F2 fault. Originally thought it was a pump fault...
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    Vitodens 100-W control problem

    Controller/timer is a Honeywell ST9400A One Cyl stat One room stat There is a junction box between the controller/stats and the boiler The junction box has 240V mains and the 2 stats entering at the base, a single cable coming out to the controller (I assume power), one cable back from the...
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    Vitodens 100-W control problem

    Just retested the process to check I wasn't getting anything wrong...the following process. DHW stat set to 50 - demanding heat (I hear the click as I bring it up from bottom) CH stat set to 20 - demanding heat as current temp is 19 Turn on DHW - boiler starts and provides DHW - tap...
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    Vitodens 100-W control problem

    Evening all, I have a Vitodens 100-w (WB1a I think) the 4 pipe setup which is controlled by a Honeywell controller, one room thermostat and 1 cylinder thermostat. The problem I have is that the boiler is not recognising the second demand placed on it. i.e. If I start the DHW at 05:00...
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    Bleeding radiators

    Thanks, will live with it for a while, have 2 rads to put back on and then will give the whole system a good clean out. Thanks again Taff
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    Bleeding radiators

    Hiya all, I have a weird problem with my radiators. They are producing a lot of Hydrogen (but not surprised at this as we are removing radiators, cleaning and replacing due to decorating the house), but when i bleed a radiator (usually the first one I bleed) the radiator drains fully of...
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