Recent content by Duncs35

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    No hot water. Heating OK. Vitodens 100-w wb1b 30 kW combi

    I thought it would be a flow switch but as tap symbol appears when hot water is running , maybe not. Not registered no <Moderator's note> DIY Gas threads are not permitted
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    No hot water. Heating OK. Vitodens 100-w wb1b 30 kW combi

    I have had the unit to pieces. Heat exchanger cleaned and blasted through. Rubber hose removed and all crunch cleaned out. Hose and manifold \ pipe work is all clean. Flow from tap is brilliant 15 LTS a minute easily. Temp does not reach anything as boiler does not kik in only goes down as...
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    No hot water. Heating OK. Vitodens 100-w wb1b 30 kW combi

    All cleaned out no blockages present. Clean heat exchanger. Clean flow switch. Tap symbol appears when hot tap on , fan runs but no ignition. Temp display goes lower as water flows through and gets cooler. Once tap is shut off boiler kiks in to bring up to set temp of 50 deg. Heating works fine...
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