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  1. M

    glowworm micron 50ff start stop prob.querie

    I have a Micron 50 ff wall hung boiler glowworm make.. recently i had a new pcb and thermistor fitted .now the boiler when is called to heat by an exterior clock timer [the only exterior control for this boiler]will call the pump to run immediatly for rughly 3 seconds then fan will run and click...
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