Zoning Product Family

ZONING

Round ARD Dampers

Honeywell Automatic Round Dampers (ARD) are single-blade models that close

tightly to minimize leakage and feature a position indicator for damper status.

• Outstanding seal — Built with gasket to ensure low leakage of less than 1 percent

• Sizes available from 5" to 20"

• Modulating round dampers (MARD) available from 6" to 18"

• Fresh air dampers available in power open/spring close orientation (EARD)

• Rugged construction built to last

• 5-Year Warranty

Rectangular ZD Dampers

Honeywell ZD dampers are available in both side-mount and bottom-mount models.

A power-close, spring-open damper, the ZD operates quietly and features a parallel

blade design for low-leakage performance. Available in over 125 sizes.

Two-piece bearing for long

life and quiet operation.

Parallel blade with extruded

lip for low leakage.

Durable construction —

riveted and screwed corners.