Resideo MARD-6 Damper R-407A Direct OEM Integration: Engineered specifically

Direct OEM Integration: Engineered specifically for Crown BWC series units

The Browning B53 is a B-section belt

For technicians troubleshooting electric furnace relays

Optimized Airflow: The convex center disc provides superior structural rigidity and efficient air distribution across the double inlet

Key Benefits OEM Compatibility: True factory replacement for Heatcraft

Resideo MARD-6 Damper R-407A Direct OEM Integration: Engineered specificallyThe 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