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  1. Riley

    Wireless stat problem

    Any thoughts guys. Called out to a Siemens wireless stat this morning where signal is not reaching boiler. Boiler is a Biasi SpA if that has any bearing. Checked all wiring and that receiver and stat have power - both ok. Is this likely to be a boiler problem or a stat problem as I think...
  2. gassafe

    Thermocouple with interpreter stat :(

    Gas fire The fault was a pilot not staying lit so I ordered a pilot assembly kit. Fitted it okay, but when releasing the button pilot cuts off immediately :( i disconnected overheat interrupter on thermostat & bridged with piece of wire, pilot stays lit & main burner works! I put multimeter...
  3. W

    room stat calling for heat,boiler going off at 18 degrees,any ideas

    Hi all Got to go to a job tomorrow,just trying to get a head start PROBLEM:Lady says she comes in switch room stat,which is digital,to 21Dgre boiler goes out at 18Dgres, then fires up,and goes off,does,nt go off completley but room stat not going above 18Degres,its a...
    • wnjswozo
    • Thread
    • boiler heat room stat
    • Replies: 5
    • Forum: Boilers
  4. B

    Stat question.....

    Go easy on me as this is my first post :) anyway, I am in the process of getting my heating changed over from a combi boiler to 'old type' system with maxipod in attic, I have a good few questions tbh but I'll start with what might be a simple few questions. The boiler has a stat fitted and I...
  5. G

    Black cable on stat

    Hi all was fitting a new boiler today but when I was taking the old boiler out there was this black cable which went straight out the boiler to the the room stat. The room stat already had a live, neutral and earth from the boiler but don't know what that other black cable was for. Is it a...
  6. B

    Wiring a volt free stat to my new Heatline boiler?

    We have fitted, a Heatline Monza 24KW condensing combi boiler. It has 24v and 240v connectors, although I'm lead to believe the 24v is just for the boilers built in controls. The programmable thermostat is a Homexpert(Honeywell) THR870CUK, 7 day program, two wire, 'VOLT FREE' jobbie, that...
    • bobmankee
    • Thread
    • boiler stat wiring
    • Replies: 3
    • Forum: Boilers
  7. E

    Eco honeywell room stat ,,

    What's the lock / key sign mean , customer rang me and asked . I'm nit sure ,
  8. B

    room stat

    i have a baxi duo tec with a rf stat i was forever having problems,so i got a mechanical room stat ,2 wire install, simple i thought,i removed the reciever from the pcb and took the reciever off the boiler,i took the loop out room stat connection and followed the mi regarding wiring...
  9. D

    Problem with room stat...

    Hello all. Hopefully someone will be able to help. I'v got a room stat which when you turn the dial up manually it clicks and the boiler fires up as it should. Then when the room reaches temperature it turns off as it should. But then as the room cools again the boiler does not fire up...
  10. C

    Need a new type of wall stat

    I have a drayton dial type wall stat (240VAC) in the livingroom set at 70 deg F to control my gas combi boiler for the whole house. The stat has a fixed 'cut back in' at 2 deg F below the dial setting to give a near constant temperature. This makes the boiler cycle around 3 to 4 times an hour...
  11. M

    Open vent room stat to domicondens 26c combi

    Hello everyone, I am converting open vent system to condensing boiler. My question is can I use the old room stat with the new combi or do I need a new stat specific to combis? It has 4 cables (brown, blue, yellow and green). In the instruction there is a warning saying, "IMPORTANT: THE ROOM...
  12. B

    Grant Vortex 15/21 non condensing - overheat stat?

    I went to this external Grant yesterday as it wasn't firing up. It wasn't locked out but controls seemed to be functioning - prog moved the control valve and got power to the boiler but no firing. The overheat stat nipple was extended as shown below and wouldnt reset (that is out isnt it?). The...
  13. H

    Potterton EP2002 and CM927 Wireless Stat

    I have just moved house and need to wire in my CM927 into a Potterton EP2002. The plan is to let the EP2002 control the hot water and switch the CH on all the time on the EP and control the heating from the wireless CM927. Please can someone advise how to wire this in as I previously got great...
  14. R

    Connecting a wireless stat to a Glow Worm 24CXi

    Hi there, apologies if this has previously been answered. I did look but couldn't find a previous post. I've got a Glow Worm 24CXi combi boiler which is fitted with a basic mechanical time clock mounted next to the PCB at the front of the boiler and a wired rotary type room stat mounted on the...
  15. S

    room stat

    Hi guys, when wiring a stat I.e honeywell t6360 where do you take the neutral from for anticipator? It shows from the spur on wiring diagram butt don't think I've ever seen it, most I've seen Havnt got the anticipator wired, can you connect to the main terminal neutral in boiler? Cheers
  16. S

    Wickes cylinder stat

    I need to replace the immersion heater in a hot water tank, there is no boiler, and want to also fit a clamp on cylinder thermostat to make sure that the immersion heater does'nt over heat, as it has just done. The emmersion heater has three wire, L, N, and E. The Clamp on Thermostat has...
  17. D

    Wireless room stat

    Hi guys, I fit a honeywell wireless roomstat to my mums s-plan oil fired central heating system today. its the first time I have fit a wireless stat to an s plan system and everything seems to work far apart from when you turn the stat to call for heat or to shut off the boiler it just seems to...
  18. J

    TRV's & Room Stat

    An on going argument beetween my self and other employees if you fit a room thermostat you should take off or change the TRV in the same room as thermostat if it has one other wise the rad will get to temperature but not the room stat. ( Confused my self writing this) i beleive in replacing trv...
  19. W

    Room stat for a Glow Worm Ultimate 60f

    Help plaese. Is it possible to fit a room thermostat to a glow worm ultimate 60f? None of the manuals i have seen seem to mention it. I know the boiler is old but as it aint broke it dont need replacing. Any help would be a great help
  20. M

    possible problems with high temp stat??

    Hello folks, I'm a bit stuck. I was over at my sisters house bleeding the oil system as it ran empty, its a Reillo burner, not to old by the looks of it. So I got it bled and the system knocks off after 10 mins or less, the stat on the boiler trips and it wont start up again til everything is...
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