Zonefirst ZDB-12X12 12HX12W Parallel 24V 2-Pos S/R Refrigerant Precise Gas Metering: Features a

Precise Gas Metering: Features a factory-installed BCR-18 orifice (0

the control operates in cooling mode

Primary Voltage: 115 VAC

Reliable Ignition: Heavy-duty construction maintains stability under various gas manifold pressures

Zonefirst ZDB-12X12 12HX12W Parallel 24V 2-Pos S/R Refrigerant Precise Gas Metering: Features aThe 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