honeywell | Page 8

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honeywell

Recent contents Top users
  1. C

    Honeywell st699 heating problem

    I have lived in my rented property for about 18 months and recently the heating will come on even though the switch is set to off. I will call landlord to have a look I just wondered if it could be something I'm missing before I ring him for someone to look at it. I've never noticed this...
  2. Last Plumber

    Honeywell MV's Banging

    Anyone had any issues with Honeywell MV's Banging as they open and close? This one in particular is a three port.
  3. M

    Honeywell Evohome with Vaillant boiler

    Can anyone help please? I am a reasonably competent DIYer and have a small project I think I could handle. My central heating controller has failed and I'd like to fit a replacement. The current system is a Honeywell Smartfit low voltage controller which drives a Vaillant Ecoflex Plus boiler...
    • MikeJJJ
    • Thread
    • boiler honeywell vaillant
    • Replies: 8
    • Forum: Boilers
  4. R

    honeywell 3 port

    sent my customer to screwfix to pick up a new 3 port. when i took it out the box it got me puzzled as there was only 3 wires and not the 5 as normal.. sent him to get another from the merchant with 5 wire and the serial numbers were all the same! whats that all about???????
  5. T

    heat genius/honeywell evohome

    Hiya guys any one fitted either of these control systems?
  6. R

    Honeywell two way diverter valve problem

    Amateur - please go easy with me!!! I am after some advice please. For some time I have been having a problem with my central heating system (unvented) and have now narrowed it down to the diverter valve. Quite often if my hot water is switched on and heating switched off my radiators are hot...
  7. Y

    Honeywell T40 Worcester Highflow 400 thermostat problem

    Hi, Hope someone can help. Had a room thermostat fault develop on a Worcester Highflow 400 electronic boiler. When the boiler is switched on (by the timer) and the room thermostat has reached the required temperature (in other words it is telling the boiler to stop centrally heating) rather...
  8. J

    Advice on honeywell evohome setup

    Hello all First post here and after a bit of advice on Honeywell Evohome setup. I was initially looking at the hive and nest, I even ordered a nest but shall be returning it as after looking over the honeywell evohome it just seems the best system for my needs.. Current system: Combi boiler, 1...
  9. R

    Ideal Vogue & Opentherm via Honeywell T6 Lyric (wired version)

    Hey all, apologies for the long post: I've had a new Ideal Vogue boiler installed with a T6 wired thermostat so the OpenTherm is activated as confirmed by the boiler. I also have the outdoor sensor installed but I now understand that when OpenTherm is used it ignores the outdoor sensor...
  10. V

    Help wanted with FAULTY traditional CH system, (Honeywell Y Plan)

    Good morning! I have a problem with my central heating system…..and am wondering if anyone can help. The system: 1. 15 year old detached house, with a 15 yr old Honeywell Y Plan CH system, which to all extents and purposes works FINE. 2. Boiler is a traditional ‘IDEAL Classic’ boiler...
  11. R

    Honeywell DT90E room thermostat

    I have just bought a Honeywell DT90E room thermostat to replace a faulty Heatmiser DS1. I have a Honeywell ST9400c programmer and Honeywell Mid Position Valve. I have read on several forums that the DT90E should be wired LIVE to A, SWITCHED LIVE to B, C is not used and Neutral wire is not used...
  12. C

    Honeywell DT90E

    I replaced my old bellows type room stat a year or so ago with a Honeywell DT90E. All very good until this morning when it started cycling on and off about once per second. I took batteries out - they are still good - put them back and now all is normal again. Has anyone seen this before?
  13. C

    Valiant ecotec 831+ combi/ Honeywell wireless programmer

    I could do with advice in exactly what connection terminals to connect to on the 831 PCB, I'm OK regarding live neutral and earth from the programmers relay which is a bdr 91 but it's the switching part of connecting to the PCB I'm unsure of. ie do I connect to the 24volt after removing the link...
  14. D

    Vaillant and Honeywell DT99e help

    Can't seem to get the stat to control the Vaillant pro24. Have I got this right? The boiler just runs on heating and won't switch off. I then removed the 24v link and it had the opposite effect. Wouldn't switch back on. It's a Honeywell DT90e by the way. I have a Vaillant mechanical 150 time...
  15. M

    Honeywell reliability not what it was...

    Two ST9400's, both fitted about a year ago, both with same problem - randomly will not run program on timer. Work fine in continuous mode. Wonder if they had a dodgy batch?
  16. L

    Honeywell motorised valve playing up.

    Good afternoon – I am really stuck with a diagnosis here and hope to get your help. The system has 2 Honeywell V4043H1056 motorised valves. Their outside levers are both set to “auto”. No problems at all with the Central Heating valve or the programmer (ST6400C). The issue is with the hot water...
  17. quality

    Honeywell

    I have changed a good few heads recently on valve only 2 & 3 years old has anyone experienced similar issues as they don't seem to be the quality / reliability they once were
  18. K

    Faulty Honeywell mid position valve (NEW)

    Just wondering if anyone had a new one being faulty. Would not come on for heating only hot water. White and grey live but nothing back through the Orange. Checked all connections and ok but wouldn't have it. Fitted another and up it went.
  19. U

    ideal condenser boiler and honeywell 3 slider timer

    I'm after a helpful engineer..i have moved into a house and have an old looking ideal condenser boiler HE15P and I have a ho****er tank and 3 slider timer Honeywell thing in my airing cupboard,i have my ho****er slid to off and heating on twice,,but I ALWAYS have ho****er,its boiling hot at all...
    • Unregistered
    • Thread
    • boiler honeywell ideal
    • Replies: 1
    • Forum: Boilers
  20. C

    Honeywell v Sangamo

    I need to buy a 3 port motorised valve for my domestic system. Is the extra cost of Honeywell really justified against say a Sangamo valve? ( over twice as much )
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