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Alpha (uppercase Α, lowercase α; Ancient Greek: ἄλφα, álpha, or Greek: άλφα, romanized: álfa) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived from the Phoenician letter aleph , which is the West Semitic word for "ox". Letters that arose from alpha include the Latin letter A and the Cyrillic letter А.

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  1. D

    Alpha CB 24

    Hi Gents, I am looking for some advice on a mysterious fault on an above boiler. My first suspicion is that the fairly new PCB has went belly up again. It got changed last September. Giving the boiler a second life but obviously not for very long. Basically the boiler goes randomly to lock out...
  2. A

    Alpha cb 24 x pressure problem help

    Hi. I have an alpha cb 24 x boiler the problem is every few days the 2 neons start flashing and the boiler wont come on which indicates a pressure fault. The pressure is always in the green and deosnt go down. Yet i need to top it up to get it back on. I need to do this at least once a week...
  3. Deleted member 32524

    Question for Alpha man on warranty.

    Been looking at an alpha for a customer needing a combi somewhere about 25-28kw. been pointed at 26 c intec priced at £856 inc flue. Also one says 8yr warranty then the other says no 5 yr. also what is the deal with the 28x intec. less warranty? cheers in advance.
  4. M

    Alpha CB28 Hot Water Problem

    Hi Guys, called to investigate an intermittent 'no hot water' on the above so went armed with a new clip on microswitch thinking nice quick job to end the day. Wrong! Opened tap and pulled switch off boiler fired fine so me thinks diaphragm as pin seemed not to be moving. I've overhauled...
  5. M

    Newbie help with an Alpha cb24x - overheat LED flashing

    Hi all, I have been searching for a solution to my problem, but to no real avail, so am posting hoping someone can help. I have an Alpha cb24x combi boiler, which for years worked with no problems. Initially when I moved in it was "on show" but about 4 years ago I had the kitchen refurbed and...
  6. P

    Alpha selling Dodgy boards

    Hi put i on post here a bit few weeks ago about a Alpha CB24 and was locking out on Pump fault or flow rate, it was driving me mad, the intial problem was that the boiler was not getting hot water, it came down to the P.C.B board so i replace it and all was fine, then i went away and an hour...
  7. K

    Alpha cb24x not firing

    Hi, went to a breakdown today, boiler has 240v and a flashing orange B every 2s, Hot water demand nothing no power to pump or fan, no ignition and the same with a heating call from the mechanical clock, suspected the clock may be faulty so I bridged the switch wire but still nothing, so...
  8. K

    Alpha cb24x not firing

    Hi, went to a breakdown today, boiler has 240v and a flashing orange B every 2s, Hot water demand nothing no power to pump or fan, no ignition and the same with a heating call from the mechanical clock, suspected the clock may be faulty so I bridged the switch wire but still nothing, so...
  9. F

    New alpha intec 28 PROBLEMS

    I got persuaded into fitting an ALPHA intec 28 ,by my local merchants , it's been in 5 months , it's already had a new pcb and new pump , is this a one off ? Or are alpha still as bad as they used to be!!
  10. G

    CH Pump Stalls when hot

    My central heating pump works fine until the the heating/water has been on for some time (around an hour) and every thing has got nice and hot and then it stalls and refuses to start. Ive tried giving it a kick start by undoing the spindle cap and manually turning it but that doesnt work. I can...
  11. M

    Alpha cb50

    Hi ive got an issue with an Alpha cb50, it keeps going to lock out when its been running and then needs to relight. if you manually reset it its ok again until next time. If you turn the temperature down and leave it on its fine, it will stay on all day and night. its only got a problem when its...
  12. P

    Alpha CB24

    Hi guys got a Alpha CB 24 saying there is a problem with the pump or restricted flow, pump seems fine, plate exchangers fine where else would you advise me to check, any one dealt with this problem before?
  13. Frelon

    Alpha 25C Heating Not Working

    Hi My daughter and her husband have just bought a house in Brighton in which the previous owner had installed an Alpha 25C boiler. The heating failed last week (hot water still available) and the engineer diagnosed a faulty diverter valve head because there was a slight leak from the diverter...
  14. Frelon

    Alpha Specialist Required in Brighton

    Hi My daughter and her husband have just bought a house in Brighton in which the previous owner had installed an Alpha 25C boiler........ The heating failed last week (hot water still available) and the engineer diagnosed a faulty diverter valve head because there was a slight leak from the...
  15. M

    Alpha Hot Water problem

    Hi I have an Alpha Cd32 Combi Sometimes it is not firing on hot water and there is a clicking noise coming from the pcb. When the boiler is set to CH the hot water works fine. I replaced the diaphram in the diverter valve 10 months ago and I have tested the flow switch which seems to be...
    • manxtapper
    • Thread
    • alpha clicking coming details hot hot water problem redsaw water water problem
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  16. D

    Replace alpha cb24 diverter valve or just the diaphram ?

    Hi all, just a quick question- Replace alpha cb24 diverter valve or just the diaphram? Thanks in advance Dave
  17. B

    alpha cdx

    have to get spares for this shed http://www.alpha-innovation.co.uk/custom/upload/instructions/CDX/CD25-28X%20Inst%20&%20Serv%20Inst%2001-11.pdf does anyone know if i can get a refurb kit for the diverter valve?
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