Teledyne spa heater wont fire in damp weather

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by chillywilly, Sep 28, 2005.

  1. chillywilly

    chillywilly New Member

    Messages:
    2
    I have a 10 year old Teledyne Laars Series 2 type ESC heater installed outdoors and used as a spa heater. During dry weather it works great. When it is damp, the pilot ignites and stays lit, but the burner will not fire. There is a buzzing sound like the pilot igniter that continues indefinately. A few hours after the sun comes out, its back to normal. Any suggestions besides moving to a sunny climate?
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,812
    Location:
    Cave Creek, Arizona
    spa

    Loosen and then retighten the screws on the thermostat, or remove the wires and clean the contacts on the thermostat and wire terminals.
  3. chillywilly

    chillywilly New Member

    Messages:
    2
    Thanks, I'll give it a try this week end and post results.
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