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  1. S

    Replacing a honeywell st9400c controller with a hive setup..

    Thanks for the advice. Installed it today, all set up, nice and straightforward.. now to set the schedule.
  2. S

    Replacing a honeywell st9400c controller with a hive setup..

    Thanks for the advice, hopefully installing it tomorrow. We currently don't have a room thermostat, which is the main reason for getting hive installed.. So should be fairly straightforward..
  3. S

    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.
  4. S

    No hot water,central heating working fine?

    Just fitted the new motor, works perfectly, thanks again Pete..
  5. S

    No hot water,central heating working fine?

    Thanks for your advice Pete. i have ardered a new synchron motor.I'll let you know how I get on when it arrives,Cheers Simon..
  6. S

    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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  8. S

    Hi, just to say thanks very much for your advice re replacing my honeywell st7100 timer. Job...

    Hi, just to say thanks very much for your advice re replacing my honeywell st7100 timer. Job done yesterday afternoon without a hitch...regards, Simon..
  9. S

    replacing a Honeywell st7100 with a st9400c wiring

    Thanks very much to all for their help.I'm feeling a lot more confident about tackling the job now. :D
  10. S

    replacing a Honeywell st7100 with a st9400c wiring

    It Is a gravity fed system..The system does have two motorised valves one c/h and 1 h/w..I assume this would mean that each can operate independently?
  11. S

    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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  13. honeywell st7100 wiring

    honeywell st7100 wiring

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