• Login
• Register
• My Cart

• Air Filters
  • Electrostatic Air Filters
  • Pleated Media: Odor Control
  • Specialty Filters
    • AC Condenser Protection
    • Metal Mesh Air Filters
    • Air Intake Filters
• Air Cleaners: Air Purifiers
  • Electronic: Media Air Cleaners
  • Portable Air Cleaner: Purifier
  • Commercial Air Cleaner
• Air Curtains
  • Entry / Wall Air Curtain
    • Non-Heat Air Curtains
    • Heated Air Curtain
  • Ceiling Recessed Curtain
  • Door Switches | Controls
• Duct Smoke / CO Detectors
  • Duct Smoke Detectors
  • Duct CO Detector
• System Air Dampers
  • Air Balancing Dampers
    • Round Duct Air Balancing Dampers
    • Rectanglar Opposed Blade Air Balance Dampers
    • Cable Control Air Balance Dampers
  • Pressure Relief By-Pass
    • Round By-Pass Dampers
    • Rectangular By-Pass Dampers
  • Back Draft Dampers
  • Barometric Draft Dampers
• Duct Dampers
  • Wireless Zone Dampers
  • Opposed Blade: Motorized
    • Spring Return: Power Open / Close
    • Power Open / Power Close
  • VAV Modulating Dampers
    • Round Modulating Dampers
    • Opposed Blade Modulating Dampers
  • Zone Dampers: Round
    • 2 Wire Spring Return
    • 3 Wire Power Open Power Close
  • Zone Dampers: Rectangular
    • 2 Wire Spring Return
    • 3 Wire Power Open Power Close
    • Carrier | Bryant Zoning
    • Trane | American Standard Zoning
    • Rheem | Ruud Zoning
  • System Control Panels
• Fire Dampers
  • Duct Fire Dampers
    • Static Type Duct Fire Damper
    • Dynamic Type Duct Fire Damper
  • Ceiling Radiation Dampers
  • Duct Fire / Smoke Dampers
• Duct / System Components
  • VAV Termination Boxes
  • Thermostat Wire
  • Take-off Collars / Wyes
  • Duct Wrap Fasteners / Spacers
  • Fabric Duct Connector
  • Gas Furnace Igniter
• Duct Installed Equipment
  • Duct Booster Fans
    • In-Line Duct Exhaust Fans
    • Duct Air Booster Fans
    • Duct Air Booster Fan Thermostat
    • Floor Register Duct Booster Fan
  • Duct Silencer Mufflers
  • Humidifiers
    • Bypass Humidifiers: Flow-Through: Drum Type
    • Atomizing Humidifiers
    • Steam Humidifiers: Under Duct: Plenum Type
    • Humidifier Replacement: Pads: Discs: Filters
    • Humidifier Replacement Parts: Motors: Relays: Valves: Humidistat
  • UV Light Duct Lamps: Purifiers
    • Residential UV Light Systems
    • Commercial UV Light Systems
    • UV Light Air Air Cleaner Purifiers
    • UV Lamp Replacement Bulbs
• Fresh Air Ventilation
  • Exhangers: Damper Control
  • ERV Fresh Air Ventilation
• Ventilation Exhaust Fans
  • Bathroom Exhaust Fans
  • Clothes Dryer Vent Fans
  • Room to Room Vent Fans
  • Crawl Space Vent Fans
  • Radon Mitigation Fans
• Commercial Ventilation
  • Ventilation Exhaust Fans
    • Ceiling De-Stratification Fans
    • Wall Exhaust Fans
    • In-Line Ceiling Ventiation Fans
    • High Velocity Portable Fans
  • Roof Exhaust Ventilation
• Ventilation Shutters
  • Exhaust Air Shutters
  • Volume Air Intake Shutters
• Electric Duct Heaters
  • Round Duct Heaters
  • Rectangular Duct Heaters
• Electric Heaters
  • Fan Wall Heaters
  • Commercial Ceiling Heaters
• Infrared Heaters
  • Commercial Gas Infrared
• Grilles / Ceiling Diffusers
  • Plastic Ceiling Diffusers
  • Plastic Lay-in Supply / Return
• Equip Brackets: Stands
  • Equipment Hanging System

Rectangular By-Pass Dampers

• 

  Price: $82.14 View Product
  PRESSURE RELIEF Heavy Duty Rectangular Barometric Damper

  Young Regulator 3095 Duct Pressure Bypass Barometric Damper. Slip-in Installation for Zone Damper Systems. 23 Damper Sizes.

  Price: $82.14 View Product
• 

  Price: $134.31 View Product
  PRESSURE RELIEF Zone Damper POPC / 8"-14" Sizes

  8" / 10" / 12" / 14" Wide Sizes. Zone Damper with Pressure Relief Feature. POPC Motorized 24V Damper with Static Pressure Relief Mechanism. Side & Bottom Mount.

  Price: $134.31 View Product
• 

  Price: $149.01 View Product
  PRESSURE RELIEF Zone Damper POPC / 16"-20" Sizes

  16" / 18" / 20" Wide Sizes. Zone Damper with Pressure Relief Feature. POPC Motorized 24V Damper with Static Pressure Relief Mechanism. Side & Bottom Mount.

  Price: $149.01 View Product
• 

  Price: $157.83 View Product
  PRESSURE RELIEF Zone Damper POPC / 22"-30" Sizes

  22" / 24" / 26" / 28" / 30" Wide Sizes. Zone Damper with Pressure Relief Feature. POPC Motorized 24V Damper with Static Pressure Relief Mechanism. Side & Bottom Mount.

  Price: $157.83 View Product
• 

  Price: $218.02 View Product
  PRESSURE RELIEF Electronic Bypass Damper / 8"-18" Sizes

  8" / 10" / 12" / 14" / 16" / 18" Wide Sizes. Performance Aire EBQD Electronic Modulating Pressure Relief Dampers. Adjustable Static Pressure Sensor.
  *** JOB QUOTES ***

  Price: $218.02 View Product
• 

  Price: $238.89 View Product
  PRESSURE RELIEF Electronic Bypass Damper / 20"-24" Sizes

   20" / 22" / 24"  Wide Sizes. Performance Aire EBQD Electronic Modulating Pressure Relief Dampers. Adjustable Static Pressure Sensor.
  *** JOB QUOTES ***

  Price: $238.89 View Product
• 

  Price: $256.13 View Product
  PRESSURE RELIEF Electronic Bypass Damper / 26"-30" Sizes

  26" / 28" / 30"  Wide Sizes. Performance Aire EBQD Electronic Modulating Pressure Relief Dampers. Adjustable Static Pressure Sensor.
  *** JOB QUOTES ***

  Price: $256.13 View Product
• 

  Price: $270.59 View Product
  Electronic PRESSURE RELIEF Bypass Damper / 12"-16" Sizes

  12" / 14" / 16" Wide Sizes. Young Regulator 3092 Electronic Bypass Damper. Adjustable Static Pressure Duct Sensor modulates Honeywell Motorized Damper Blades.
  
  

  Price: $270.59 View Product
• 

  Price: $334.99 View Product
  Electronic PRESSURE RELIEF Bypass Damper / 18"-24" Sizes

  18" / 20" / 24" Wide Sizes. Young Regulator 3092 Electronic Bypass Damper. Adjustable Static Pressure Duct Sensor modulates Honeywell Motorized Damper Blades.
  
  

  Price: $334.99 View Product
• 

  Price: $377.80 View Product
  Electronic PRESSURE RELIEF Bypass Damper / 26"-30" Sizes

  26" / 28" / 30" Wide Sizes. Young Regulator 3092 Electronic Bypass Damper. Adjustable Static Pressure Duct Sensor modulates Honeywell Motorized Damper Blades.
  
  

  Price: $377.80 View Product
• 

  Price: $393.66 View Product
  Electronic PRESSURE RELIEF Bypass Damper / 32"-36" Sizes

  32"  / 36" Wide Sizes. Young Regulator 3092 Electronic Bypass Damper. Adjustable Static Pressure Duct Sensor modulates Honeywell Motorized Damper Blades.

  Price: $393.66 View Product