A. Size, like; “8 inches x 24 inches”. If you don’t see your size listed in the choices please contact us directly before ordering.

B. What side the motor is on using the selected measurements; like “8 inch side”

C. Normally Open or Normally Closed when unpowered:

This means with no power applied, is the damper open?

or closed? Important: When used with a zone control system, you will need to order normally open. When used tied directly to a thermostat or switch, you will want to order normally closed.

D. Rectangular dampers are custom made and not returnable due to size or configuration errors.

Please carefully review your confirming invoice to ensure correct product for your application.

Surplus Dampers at Discount Prices

In Stock and Ready to Ship!

Clearance

These are CUSTOM, Made-To-Order dampers

that take approximately 10 business days to make

These are CUSTOM, Made-To-Order dampers

that take varying time to make