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PCI Industries RD-521-NP Fire Damper, 12'' x 6''

  • Brand Name: PCI Industries
  • IPN: RD-521-NP12X6
  • MPN: RD-521-NP 12 X 6
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The CFD-521-NP ceiling radiation damper employs butterfly style blades for point-of-origin control of radiant heat in HVAC systems. The CFD-521-NP is installed horizontally in the ceiling membrane of combustible floor-ceiling or roof-ceiling assemblies with fire resistance ratings up to and including 1 hour. The CFD-521-NP must have a field assembled insulated duct board outlet box installed on it.

PCI Industries RD-521-NP Fire Damper, 12'' x 6''