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-   -   Furnace pressure switch for an olsen ultramax (https://www.askmehelpdesk.com/showthread.php?t=425751)

  • Dec 16, 2009, 09:41 PM
    silverado410
    Furnace pressure switch for an olsen ultramax
    Could the pressure switch cause no flame on the furnace
  • Dec 16, 2009, 09:50 PM
    silverado410
    Furnace pressure switch for an olsen ultramax
    Could the pressure switch cause no flame on the furnace
  • Dec 17, 2009, 06:56 AM
    hvac1000
    Yes it can hold the burner off.

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