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    Glow worm Micron 80ff LS trigger voltage?

    My Micron 80FF is controlled by a Horstmann H27 programmer and a Honeywell 3 port valve. The valve orange wire is connected to the LS on the boiler. When heat is required this carries the full 240 volts to indicate that the boiler should fire up. However, if the valve is fully towards A...
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