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    Replacing a honeywell st9400c controller with a hive setup..

    Hi, I'm about to replace my honeywell st9400c central heating/hot water controller with a hive system. I know that the hive can be attached straight to certain backplates of certain controllers. Would this be the case with mine? I have a conventional glow worm boiler.
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    No hot water,central heating working fine?

    Hi, I have a glow-worm fuelsaver F boiler. This morning I discovered that the boiler is not firing up when the timer kicks in , and therefore getting no hot water. I have two independent motorised valves.There is resistance on both valves when overriding them. I have found that if I turn the...
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    replacing a Honeywell st7100 with a st9400c wiring

    Hi I'm looking to replace my old Honeywell st7100 programmer with a new st9400c.The connections on the st7100 are to 8(HW on) 5(CH on).A link between com 6 and com 4. A link between Live and com 3.And the usual live and neutral connections.Would I be right in thinking that I just need to connect...
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