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  • Works to allow natural draft during appliance operation while preventing heat and conditioned air from escaping during off cycles
  • Prevents infiltration of cold air during down drafts
  • Dual safety switches allow the burner to fire only when damper is in the open position
  • Keyed wiring harness plug installs only one way preventing incorrect wiring connection
  • Stainless steel construction
  • Normally closed
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