Honeywell Modulating Bypass Damper - MARD12

Honeywell's Modulating Automatic Round Damper (MARD) series is a round damper with a 24 Vac floating control type modulating motor for bypass and zone damper control.  It is constructed of 22 ga. galvanized steel, and has male (crimped) and female (uncrimped) ends to connect to any rigid or flexible round duct.  The motor timing is 90 seconds open to close.

The MARD is used for bypass control when connected to the static pressure control (SPC).

MARD12 Features

• 12 in diameter
• Power open and closed by a bi-directional motor
• Used with Honeywell zoning systems
• 24 Vac 60 Hz
• See installation instructions below for proper sizing of bypass damper

Model No - MARD12