Whether you are performing a damper actuator replacement or a new building automation system (BAS) installation

and all necessary mounting screws to ensure a secure

including popular 50HE401224 and 50HE401230 configurations

How do I know if I need a 909 or LF909 kit

at least 3 feet downstream of the air handling unit and past the bypass duct

Resideo MARD-6 Damper 320788-703 Whether you are performing aThe Resideo MARD 6 is a heavy duty 6 inch modulating automatic round damper designed for high performance bypass control and zoning applications. Constructed from 22 gauge galvanized steel, this unit is built to manage the higher static pressures common in larger residential and light commercial systems, particularly those exceeding 5 tons. The integrated three wire floating actuator provides 90 second timing from open to closed, delivering granular