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iO HVAC Controls BH/BV-XX Round Barometric Bypass Dampers

  • $117.37

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Availability: In Stock

Brand: iO HVAC Controls

Product Code: BH-XX, BV-XX


Product views: 4847

Barometric Bypass Dampers


BH and BV Series barometric bypass dampers are used to automatically bypass excess air when increases in duct pressure occur due to closing of zone dampers. Various relief air control settings are accomplished by simple adjustment of the weight on the arm. Barometric bypass dampers are recommended for systems up to 0.75” WC of static pressure. These come as horizontal (BH) or vertical (BV) configuration in round.

Features and Benefits:

  • Easy Adjustment
  • Many sizes available
  • Installation flexibility
  • Reduces system noise
  • Round and rectangular
  • Warranty: 5 years


  • Construction: Round: 24-gauge steel shell, aluminum shaft, nylon bushings, blade seals, adjustable weights Rectangular: 22-gauge zinc plated steel frame, single-blade design, adjustable weights
  • Sizes: Round: 6” to 16”
  • Application: Systems with static pressure up to 0.75” WC
Thumb File information
pdf-50x50.png iO BV-XX Round Barometric Bypass Damper Specification Sheet.pdf 23.79KB 204
pdf-50x50.png iO BH-XX BV-XX Bypass Installation Sheet.pdf 33.59KB 196
pdf-50x50.png BH-BV Series Product Brochure.pdf 1.69MB 109
pdf-50x50.png iO BH-XX Specification Sheet.pdf 23.39KB 175


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