support@retrozone.com


(972)633-8104

(972)633-8973

 Free Standard Shipping on Orders $25+ Continental USA only

  Free Standard Shipping: Enjoy free standard shipping on orders of $25 or more within the continental United States.

Alaska, Hawaii, & Canada: Shipping to Alaska, Hawaii, and international shipping to Canada will incur additional freight charges.

Oversized Item Notice (CA & WA): Due to carrier surcharges, shipping 16” and 18” round dampers to California (CA) and Washington (WA) will incur an additional $10.00 shipping fee.

Please Note: For orders requiring additional shipping charges, please go ahead and place your order online.

Round Dampers


Don't see what you need? 

Call us and we can usually help, because Dampers and Zone Control is our only business!




All available sizes

IN STOCK!

Retrozone super duty series commercial grade dampers, HVAC, Round Damper, DuroDyne, Belimo, 5 year warranty, shipping included
Retrozone Super Duty Spring Return Dampers, 24vac spring return damper motor, 120vac spring return damper motor, 240vac spring return damper motor, HVAC
NSPRD Spring Return Round Damper, Durozone, 2 wire damper motor, 5 year warranty

Super Duty™ Series Commercial Grade Dampers





Super Duty Spring Return Dampers

Available in 24vac, 120vac and 240vac


NSPRD Spring Return Series





Three wire Belimo LMB powered Finest quality damper available with a 5 year warranty, Duro Dyne hardware-bolted-not welded! can be controlled directly from a switch or thermostat with no relay, perfect for zone control systems. Our most energy efficient damper.

Two wire spring return convenience and functionality without only 1/4 of the power draw of standard residential grade 2 wire dampers. The Finest, best built, spring return damper on the market. A must for round ducts 14 inches & over.

Round Spring Return 2 Wire Damper. DuroZone NSPRD 2 wire spring return dampers series. Best quality spring return residential grade damper. 5 Year warranty, internal spring mechanism, 24volts AC, Field Reversible! easy to make normally open or normally closed.

Retrozone super duty series commercial grade round dampers, HVAC, DuroDyne, Belimo, shipping included
DuroZone DRD Residential 3 wire Round Dampers, HVAC
Retrozone Slip-In Dampers, HVAC, easy fit damper, tight space damper, Belimo, Durozone, Commercial Grade Damper

Super Duty™ Series Dampers No Motor






DRD Residential 3 wire Dampers



RetroZone™ Slip-In Dampers




 Finest quality damper available with 

Duro Dyne hardware-bolted-not welded! 

Round Spring Return 2 Wire Damper by Braeburn. Top Quality damper with an industry respected standard integrated motor with super wide steel gear, not plastic. Motor uses an internal spring, not a cheap add-on spring.  This motor can easily be replaced with several other industry standard motors.

RetroZone's™ Slip-In Series of Retrofit Slip-In Dampers allows easy fit to sheet metal ducts that are already installed, where it would be difficult to cut out a complete length of pipe to install a traditional mechanical damper.

Retrozone super duty series commercial grade dampers, HVAC, Round Damper, DuroDyne, Belimo, 5 year warranty, shipping included

Super Duty™ SRT Dampers



Belimo LMB powered Finest quality damper available with a 5 year warranty, Duro Dyne hardware-bolted-not welded! 

Braeburn Spring Return round dampers, HVAC, Braeburn, shipping included

Braeburn Spring Return Dampers



Round Spring Return 2 Wire Damper by Braeburn. Top Quality damper with an industry respected standard integrated motor with super wide steel gear, not plastic. Motor uses an internal spring, not a cheap add-on spring.  This motor can easily be replaced with several other industry standard motors.

SRHT Spring Return Round Dampers, HVAC, low power draw damper, two wire spring return damper motor

SRHT Spring Return Dampers



Two wire spring return convenience and functionality without only 1/4 of the power draw of standard residential grade 2 wire dampers. 

Flexdamper™ Retrofit Damper System

Retrofit flex HVAC damper system, flexdamper, shipping included

 Complete Customizable

 2 zone system

with 10 flexdampers™, zone controller, thermostats,

 and other parts

 under $999

Looking for additional supplies? Check out our damper accessories.

HVAC supplies, damper accessories, air conditioning supplies, RetroZone

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