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  1. F

    No Hot water but Central heating works ok

    Flow switches generally just get stuck/blocked with scale and the diverter valve usually need's a new diaphragm if its that type or if its motorised valve a new actuator
  2. F

    Boiler not firing, no H/W or C/H

    Well if he can't replace the head show him the door.... :roll:
  3. F

    Boiler not firing, no H/W or C/H

    All the parts are available as spares :D
  4. F

    Boiler not firing, no H/W or C/H

    So if you go back to the boiler you should have two "lives" now going into the boiler wiring terminal one from the spur to power boiler/programmer and one switched to fire it up
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    Boiler not firing, no H/W or C/H

    as mat1e said good photo will help
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    Boiler not firing, no H/W or C/H

    Where does the switched live from the room stat go - if you follow/trace it back to the boiler terminal you can check it is actually signaling the boiler to fire - the fact that the stat's lit up like a xmas tree and there's power to the boiler doesn't mean that what its signaling (the stat) is...
  7. F

    Some advice needed please

    Hi eaton, thanks for your reply - care to elaborate on that for the less well educated among us I presume you mean the air setting ?
  8. F

    Some advice needed please

    It say's just that "burning oil" I looked that up and it's just another way of saying 28 sec so thats ok although that is no guarantee thats what ts in the tank I suppose. Would the thick black smoke start suddenly or would it gradually build up over time ?
  9. F

    No Hot water but Central heating works ok

    don't no much about those boilers but that fault you describe is usually a flow switch or diverter valve problem depending on which you have..
  10. F

    Some advice needed please

    lady says its got "burning oil"
  11. F

    Some advice needed please

    "Check for any leak inside the boiler combustion chamber. Or blocked condensate" condensate can do - in the combustion chamber oil or water oil i presume ?
  12. F

    Some advice needed please

    I'll get on that case straight away !
  13. F

    Some advice needed please

    No that is a concern of mine I thought if I took some "good" oil with me and run it up on that for a while and see what happens, other than that I don't know how to check the oil quality - seems funny how its run 6 months then get a delivery last week then soot.
  14. F

    Some advice needed please

    Hi dc, thank you for your advice on cleaning - any thoughts on cause ??oil pressure is ok
  15. F

    Some advice needed please

    Hi all, got a problem as usual.. installed a firebird enviromax combi 6 months ago been running fine customer happy as larry - till today. Got black smoke coming from the boiler she say's oh dear say's me. I asked if she'd had a delivery recently yes last week. I checked the tank for the usual...
  16. F

    WB heatslave 18/25 oil

    Hi - have bleed/checked all AAVs/Manual cocks - no air anywhere, checked that flow switch as I didn't install it when I turned it upside down the circulator pump turned off ! yay I thought but then the boiler wouldn't start at all - oh dear. I wasn't sure which way/orientation this switch is...
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    WB heatslave 18/25 oil

    Hi oilhead, funny you should mention that part as my customer says that that part had been fitted 2 weeks prior to me being called, customer said he had an overheat problem and the previous engineers then fitted a new flow switch and diverter valve actuator and a new mesh filter, but this...
  18. F

    WB heatslave 18/25 oil

    Hi - I already changed the PCB, the customer says that the pump's been running since installation (4 years) ? I disconnected all the stat plugs from the board out of curiosity and it still runs !
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    WB heatslave 18/25 oil

    Thank you boilerman for your really helpful replys - one more question though is should the circulator pump run all day/night 24/7 ?
  20. F

    WB heatslave 18/25 oil

    Hi Oilhead, that sounds like you might be bang on there - thank you I'll check next time I go back.. do you know what temp the store should be at by any chance ??
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