Round Fresh Air Intake Damper

The iO HVAC Controls OAD Damper is designed for retrofit or new construction applications requiring exhaust, fresh air intake and on-off zone control. Typical application use includes bathrooms or restrooms in high rise hotels, office buildings and apartment buildings. The damper is available with a direct coupled, spring return actuator in 24 VAC or 110 VAC, or may be fitted with a direct coupled actuator. An accessory plate is available for actuator mounting. Made in the U.S.A.
  • Damper Shell: 20 gauge galvanized steel
  • Damper Blade: 24 gauge galvanized steel
  • Shaft: 1/2” solid aluminum
  • Body Length: 8”
  • Gasket: Low leakage
  • Bushings: Bronze Oilite
  • Leakage: Class 2 - 10 cfm/ft² @ 1” w.g. (3 cmm/m² @ .25 kPa)


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