Apollo 30B Pump fails to start

Discussion in 'Plumbers' Talk' started by Boots1066, Jul 31, 2021.

  1. Boots1066

    Boots1066 New Member

    Hi Mike, pump supply I believe comes from the boiler via the pump overrun stat. to eliminate malfunction of this stat I am going to purchase and replace the stat
     
  2. Boots1066

    Boots1066 New Member

    Thanks Teki
     
    Teki and pppmacca43 like this.
  3. Mike83

    Mike83 Screwfix Select

    If the boiler is wired correctly then a faulty pump over-run won’t cause your issue as the pump would still have a power source.
    But if the boiler was incorrectly wired originally (boiler could work without issues) then a faulty pump over-run could cause the pump to have no power.
    The pump will always receive a power source from either the permanent live or switched live. But if there’s no permanent live then that could be the problem that’s now been highlighted by a faulty pump over-run stat.
     
    pppmacca43 likes this.

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