Resideo MARD-12 Damper R-22 Key Benefits for the Contractor

Key Benefits for the Contractor Universal Compatibility: Designed as a direct replacement for BJWA Series controls found in brands like Vulcan

This DD11-10 squirrel cage blower wheel features a 1/2 inch bore and a clockwise (CW) rotation when viewed from the hub end

Key Benefits Universal Compatibility: Drilled to match the industry-standard "E" frame footprint

failure of the outdoor fan to kick on

Contractor-Friendly Install: Simple two-wire terminals with an optional M4 terminal for LED position indication

Resideo MARD-12 Damper R-22 Key Benefits for the ContractorThe Resideo MARD 12 Damper is a professional grade 12 inch round modulating damper designed for high performance HVAC zoning and bypass control. Built with heavy duty 22 gauge galvanized steel, this three wire motorized damper is engineered for longevity in both residential and light commercial mechanical systems. It features a 24Vac floating actuator that provides precise control, with a 90 second motor timing for full stroke transition from open to