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honeywell

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  1. F

    HONEYWELL DT90E Wiring Advice.

    Hi one and all, I have a Worcester Bosch 28CDi Compact Combi Boiler, which was newly installed 2 months ago. It replaced my old Alpha CB33HE Boiler. I had a Honeywell ST6100A Timer, which I replaced with a Honeywell ST9100A Timer, just to update the system. I have a Danfoss RMT230 mechanical...
  2. W

    dt10rf vs honeywell CM927T

    Hi I have the worcester 38cdi with a dt10rf digistat (mk ii) themostat programmer. I find it a nightmare to use and would like to switch to the honeywell CM927T which a freind has and is much easier to use, especially having hard sliders for manual and off mode. can anyone tell me how i...
  3. H

    Honeywell and Danfoss Valves

    Had a major refit of the CH system by a contractor, a bit annoyed because of the way it has been done. The electrician has completely ignored the wiring guide for the centre and done his own thing, makes it a bit of a pig to sort out so now wish I had done it myself. Anyway, stupid question...
  4. B

    honeywell training manual

    hello all, if anyone is interested, i have attached a copy of the training manual given by honeywell when i attended their wiring course last week. i found the wiring diagrams for y and s plan quite useful: http://zanudesign.co.uk/honeywell.pdf
  5. R

    Honeywell Web Based Thermostats

    Any one fitted one of these yet? Voice controlled Connected Thermostat - Honeywell UK Heating Controls
  6. Z

    Drayton rts1 or Honeywell

    Will these work with no neutral, got an old stat to change?
  7. B

    Replacement for Honeywell 3way valve

    My Honeywell 3 way valve has failed again. Time and time again it is the gear mechanism that wears and fails, I seem to have to change it every 2 years. They are very expensive for such an unreliable part so this time I want to change it for something different. Is there a direct replacement...
  8. B

    honeywell training

    I've just booked myself in for a honeywell course....for £45??? has anyone been to one of these or am i expecting:
  9. P

    Honeywell cs92a wireless cylinder stat

    Had one of these this evening that suddenly stopped getting signal. Rebound it and all ok. Changed the batteries to be on the safe side as well. Anyone else had this?
  10. B

    Honeywell 3 port valves

    V4044 vs V4073 I found a boxed V4044 on site today (vacant property). Looking at the spec, these are not a mid position valve so where would you use one?
  11. M

    Worcester Bosch 30CDi classic system boiler and and honeywell wireless thermostat

    Hi all, I'm wondering if someone can share some experience. I trying to add the Sundial RF2 pack3 to have a wireless thermostat. The wiring digrams from Worcestrer and Honeywell seem to contradict one another. I need a wiring diagram that is accurate and includes a BDR1-T relay. Any one can help?
    • MarkS1980
    • Thread
    • boiler bosch honeywell system thermostat worcester worcester bosch
    • Replies: 0
    • Forum: Boilers
  12. W

    Correct Wiring for Honeywell chronotherm ct900 to worcester Bosch CDi 36kw

    I Wired a Honeywell programmer to a worcester Bosch 36 CDi , just to check it's wired right. L1 and L2 go to terminal 1 and 2 on the low voltage side. Terminal One has a breaker switch pic on the face of the connection, terminal 2 has a pic of a programable room thermostat pic on it. L1 is...
  13. H

    Honeywell CM921 screen partially lost.

    Good morning..... I wonder if I could seek some advice. I had a new boiler installed at the same time as I had underfloor heating put in. It has three Honeywell CM921 thermostats 1) Hot water. 2) Heating. 3) Underfloor heating. Both heating stats are paired with a BDR91. The screen on the CM921...
  14. townfanjon

    old honeywell trv

    just a long shot chaps, my customers dog has just eaten his TRV , (16 week old bull terrier) its the old Honeywell type , I think its a T 100, has anybody got one on a shelf in the garage they want to sell. Thank you
  15. M

    Honeywell 3-ports, programmers and cylinder stats for sale

    Mate of mine buys bankrupt stock, he has the following: 7 x Honeywell V4073 22mm 3-port valves £35 each 6 x Honeywell 9400C 2-channel 7-day programmers £40 each 4 x Honeywell cylinder stats - will confirm price Anybody interested? In East London but I'd be happy to post them to you at cost. I...
  16. D

    Honeywell control panel flashing constantly

    Hi there, I'm new to this site and cannot find the answer I need through other posts. My honeywell st9100c control panel for the CH keeps flashing when I put it to continuous for the heating and the heating doesn't come on. All radiators have heen bled and I've increased the pressure on my...
  17. P

    ID this Honeywell product

    Hi lads and lasses , can you ID this Honeywell room stat ?
  18. Scott_D

    Honeywell cm901/907

    Anyone fit these or the RF models? I have only installed one but wasn't very impressed with the slider for selecting the function, it felt very flimsy and didn't give a positive click into place. Did I have a dodgy one or are they all like that?
  19. M

    Honeywell 927 wiring

    Hi all ye clever people, I've fitted a worcester combi today, the customer is keeping his 927 programmer as it's almost new, we've a live, neutral and earth going from the spur to boiler, a live and neutral going from the spur to the receiver, then you have the 2 wires going out of the receiver...
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