Round Dampers

WE ARE YOUR 1-STOP INTERNET SOURCE FOR MOTORIZED DAMPERS, REPLACEMENT DAMPER MOTORS, RETROFIT ZONING SYSTEMS AND MORE!

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“Retrozone” and “Flexdamper” are trademarks of Retrozone inc.

Round Dampers

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

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

NSPRD Spring Return Round Damper, Durozone, 2 wire damper motor, 5 year warranty

Retrozone Super Duty Spring Return Dampers, 24vac spring return damper motor, 120vac spring return damper motor, 240vac spring return damper motor, HVAC

All available sizes

IN STOCK!

Super Duty™ Series Commercial Grade Dampers

Super Duty Spring Return Dampers

Available in 24vac, 120vac and 240vac

NSPRD Spring Return Series

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.

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.

Retrozone super duty series commercial grade round dampers, HVAC, DuroDyne, Belimo, shipping included

Retrozone Slip-In Dampers, HVAC, easy fit damper, tight space damper, Belimo, Durozone, Commercial Grade Damper

Retrofit flex HVAC damper system, flexdamper, shipping included

DuroZone DRD Residential 3 wire Round Dampers, HVAC

Flexdamper™ Retrofit Damper System

DRD Residential 3 wire Dampers

RetroZone Slip-In Dampers

Complete 2 zone system with

15 dampers, zone controller, thermostats, and other parts under $999

Super Duty™ Series Dampers No Motor

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.

Finest quality damper available with

Duro Dyne hardware-bolted-not welded!

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

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

Durozone MPRD Multiple Position Round Dampers, HVAC, four position damper motor, fresh air intake damper

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 Dampers

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

MPRD Multiple Position Dampers

This Durozone damper comes with a four position RMMP13 (35107) motor.

The four possible positions are: fully open, 2/3 open, 1/3 open, and closed. These dampers are traditionally used for fresh air intake.

Looking for additional supplies? Check out our damper accessories.

HVAC supplies, damper accessories, air conditioning supplies, RetroZone

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