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    Drayton +RF2 wiring to old Glow Worm

    Hi All I am trying to replace a conventional Potterton timer and stat with the above. A fused spur feeds the Potterton timeclock, which then feeds the boiler when it is switched on. The boiler is an old Glow Worm Space Saver which serves heating only. The boiler only has a single feed...
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