Surplus Rectangular Dampers

In Stock and Ready to Ship!

The 3085 Series Commercial Damper uses the same quality, multi-opposed blade aluminum housing as the 3150 Series, but features a Belimo 24vac LMB motor, Power Open / Power Close actuator with a 90 second design actuation time. Quality American built, all aluminum and stainless steel damper with a 20 year proven history, with commercial 1/2 inch drive shaft. Rattle-free nylon bushings and multiple opposed blade design makes this the “quiet” choice. .

Don’t see the size you need? Click here to view all SD3085 options.

3150 Series Damper

Obsolete

Clearance

OEM quality damper is sold nationwide under a major HVAC manufacturer's name and is our most popular rectangular damper. Used for zone control systems or slave zones into unoccupied areas, these dampers are all 24vac driven and can be connected directly to a thermostat for simple control of any room or office. Also works with any zone control system using a 2 position, 24vac damper. Constructed of all aluminum and stainless steel parts for long corrosion free operation, these dampers are tested to the industry standard 250,000 cycles of operation

Don’t see the size you need?

Click here to view the upgraded 3151 Dampers.

3151 Series Damper

Clearance

OEM quality damper is sold nationwide under a major HVAC manufacturer's name and is our most popular rectangular damper. Used for zone control systems or slave zones into unoccupied areas, these dampers are all 24vac driven and can be connected directly to a thermostat for simple control of any room or office. Also works with any zone control system using a 2 position, 24vac damper. Constructed of all aluminum and stainless steel parts for long corrosion free operation, these dampers are tested to the industry standard 250,000 cycles of operation

Don’t see the size you need?

Click here to view all 3151 options.