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alpha

  1. 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?
  2. 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...
  3. 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...
  4. 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 hot water water
    • Replies: 4
    • Forum: Bathroom Advice
  5. 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
  6. 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?
  7. B

    alpha 240

    got to look at one of these this wk not looking forward to it .customer phones saying it works fine just now and again it does not come on in the morning( approx 2 times a wk) i needd it fixing as going away for christmas and dont want house to freeze .unless it faults while i am there what...
  8. R

    Balancing radiators with an adaptive Grundfos Alpha pump

    As we have an Alpha pump that I understand changes it power as it detect changes in the resistance to flow (e.g TVRs closing) How do I stop the changes in pumping rate driving me round in a loop while balancing the radiators? Now that I have power flusher our system and got it a lot cleaner I...
  9. R

    Are there any issues with power flushing though a Grundfos ALPHA pump?

    In a few weeks’ time I am going to hire a power flushing machine. The best place to connect and use the machine is in our utility as it has water and drainage as well as the boiler with pipework that is easy to connect to. (And a tiled floor that leaks will not damage) Our system pump is a...
  10. H

    Problems with high pressure - Alpha HE CB25 boiler.

    Hi! I was hoping someone may be able to offer me some advice! The pressure gauge on my alpha he cb25 boiler was very high. I tried bleeding the radiators to no effect. Instructions on the boiler suggested reducing the amount of water inthe radiators. As I did this the pressure went down slowly...

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