Zonefirst ZDB-12X12 12HX12W Parallel 24V 2-Pos S/R Refrigerant air curtains

air curtains

Key Benefits Dual-Function Monitoring: Provides simultaneous readings of system pressure (up to 200 PSI) and temperature (up to 320°F) for efficient troubleshooting

High-Flow Capacity: The 5/8" orifice allows for increased Cv values

The Lennox X6673 is identical to part number X667301 and serves as a direct OEM replacement for the HCC20-28 cabinet

Mechanical Stability: Provides a high-friction retaining connection that eliminates actuator slippage during high-torque transitions

Zonefirst ZDB-12X12 12HX12W Parallel 24V 2-Pos S/R Refrigerant air curtainsThe Zonefirst ZDB 12X12 is a professional grade 12x12 zone damper engineered for robust airflow management in residential and light commercial HVACR systems. Built with a heavy duty extruded aluminum frame and 3 inch parallel blades, this bottom mount zone damper features a 24V spring return motor that ensures fail safe operation by defaulting to the open position during power loss. The low voltage HVAC actuator utilizes a synchronous hysteresis