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  1. J

    Honeywell wireless stat problem

    This is my first post so may I say hello to everyone/anyone reading this. I am seeking advice re a Honeywell CM921 wireless programmer/stat, which was installed 27 months ago together with a new Baxi boiler. Following the first change of batteries the stat indicated a room temperature reading...
  2. T

    ravenheat room stat

    hi, i am a part p registered electrician, can anyone provide me with details of how to wire a honeywell room stat to a ravenheat csi 85 t, thanks.
  3. F

    Wireless programmable room stat

    Looking for above that can be used without need to have mounted on a wall bracket ie: free standing & totally mobile for use by a partially disabled customer. Wants ability to set own times, settings, set back temps & override from his bed overnight & be able to take handset with him when in...
  4. E

    Remote pocket stat for cylinder

    Remember a while back some one was after a remote pocket stat this one from ACV any good.....
  5. D

    Simple room stat question

    We currently have a Honeywell T4360B room stat; because it's on a 24v control circuit (Glow Worm 30cxi) the anticipator can't be used which, together with the fact that it's a simple mechanical stat, means that we're getting considerable over-run & poor temperature control. Looking at...
  6. L

    Vaillant Ecomax open-vent, overheat stat

    Can anyone remember if these are dry or wet? Got to change one tomorrow and need to budget time.
  7. A

    myson Velaire oil boiler control stat

    does anyone know if still possible to get one of these? It's a RANCO CL6 P0117 - i guess it's been superseded by some other model The boiler dates back to 1997 approx many thanks and merry christmas to all dave
    • apcdave
    • Thread
    • boiler control oil boiler stat
    • Replies: 1
    • Forum: Boilers
  8. C

    Room stat overrides the programmer

    Hi guys, I was wondering if you can help me, my wall mounted room thermostat has started to override the main timer/programming box which is a British gas dual channel up2. Even with the programmer showing off or in between the timed settings the heating will come on if the room stat is above...
  9. D

    Adding a wireless stat to a Glow Worm 30 ci

    Hi all. I've been asked to fit a stat to the above boiler. I have had a look at the manual as I'm scheduled to fit a CM927 tomorrow. The existing boiler has a integral timer. (With the pins). I want to bypass this and fit the Honeywell stat. Anyone done this, as it looks a bit complicated after...
  10. B

    Twin Channel with rf Stat

    Hey, I Have a customer that has asked me to supply them with a twin channel programmer with a separate RF room stat. What would you recommend? Thanks
  11. P

    New Danfoss TP7000 RF Room Stat Overestimating Room Temp

    Just fitted a new Danfoss TP7000 wireless stat to my Potterton combi. The stat seems to be saying the room temp is a lot higher than it actually is. When I first put the batteries in it to set it up, it reckoned the room temp was over 27 degrees. I had to set the set temp to almost 30 to test...
  12. M

    Wireless stat

    Hi have been to look A house built circa 1999/2000 that gas a Y plan system open vent with ideal classic boiler but has no room stat just TRV's all over. customer wants a wireless stat putting in- just asking which ones are best and easiest to install - siting of it not a problem as all gubbins...
  13. M

    radiator with room stat in as bypass

    Hi is it sufficient to leave the radiator in the room were the room stat is going as the system bypass by leaving it with two lock shield valves on it?
  14. P

    Timer on Potterton Combi Broken - Want To Fit RF Programmable Room Stat.

    I have a Potterton Performa 24 Eco HE combi, and the integral analogue timer clock is jammed. I want to fit a new Honeywell CMT927 RF programmable room stat. This will replace the broken timer and also act as a room stat as there isn't one at present. I'm ok with wiring the receiver into the...
  15. B

    Stuck 2 port valve versus boiler high limit stat....

    At a job replacing a cylinder and he mentions the boiler kept running even though the programmer wasnt calling. Apparently some history of the CH 2PV sticking on. I found it under some floorboards....nice. So even with the actuator closed, the switch is ON and therefore running the boiler (there...
    • Bunker
    • Thread
    • boiler high port stat valve
    • Replies: 10
    • Forum: Boilers
  16. B

    Drayton room stat - how to bypass it

    Hi guys, me being not that good with electrics, I want to eliminate a room stat from a problem I have where I have hw but no heheating the stat has 3 wires. A live, a neutral and a call wiwire which wire do I need to join in order to bypass the stat completely and prove its either working or not
  17. C

    faulty room stat???

    customer on the phone now , saying everytime she turns one stat up in the house on a ufh system the lighting trips , would i be right thinking that this stat is faulty and needs replacing or would it be the actuator on the manifold? thanks
  18. Scott_D

    Best RF room stat for combis

    What are the best RF room stats to fit for combis when considering price, ease of installation and ease of explaning to the user. Do you go for manufactureres own plug in units or Drayton, Honeywell or other?
  19. P

    Question Re. Connecting New Room Stat To Mains?

    My combi doesn't have a room stat, so I am going to install a wireless one. When I install the stat's receiver next to boiler, what is good practice/OK when connecting receiver to 240V mains? - A) Connect to the electrical block inside boiler's electrics where boiler's 240V mains supply is...
  20. M

    Ferroli Falcon NTC stat resistance please?

    I went to look at one of these lovely devices toda - CH fires for about 5 seconds, repeatedly, with no demand. I'm pretty certain it's the frost protection kicking in, but to be sure I'd like to confirm what the expected resistance should be on the NTC stats. Anybody know offhand please? Also...
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