keston (ugh) fault, b26 but open vented

Discussion in 'Plumbing and Central Heating' started by exbg1, 13 Dec 2009.

  1. exbg1

    Joined:
    13 Dec 2009
    Messages:
    16
    Thanks Received:
    1
    Location:
    Sussex
    Country:
    United Kingdom
    :?: serviced a c40 keston friday. usual warped electrode ! all working ok as i finished, customer phoned me up today & said boiler stopped working & shows a B26 fault. this is low water pressure fault. as this is an open vented system, how can that happen,
     
  2. Keston

    Joined:
    3 Feb 2010
    Messages:
    71
    Thanks Received:
    5
    Location:
    Surrey
    Country:
    United Kingdom
    Link out the water pressure switch, if it fires up then replace it.

    simple.
     
    • Thanks Thanks x 1
  3. HenryE

    Joined:
    1 Jan 2011
    Messages:
    1
    Thanks Received:
    0
    Location:
    London
    Country:
    United Kingdom
    I have a C55 with a similar problem. How do I link out the water pressure switch?

    Thanks

    H

     
  4. twgas

    Joined:
    26 Oct 2007
    Messages:
    4,889
    Thanks Received:
    424
    Location:
    Kent
    Country:
    United Kingdom
    You don't, this is classed a safety device so you need a RGI, who should be able to test it.
     

Share This Page