Zonefirst ZDB-12X12 12HX12W Parallel 24V 2-Pos S/R Els PW 29614 making it a reliable solution

making it a reliable solution for commercial kitchen equipment and Parker Hannifin general purpose valves

Designed as a universal potential relay replacement

Does this replace the 767A-311

use a calibrated manometer to verify the exact cross-over point within the 0

Zonefirst ZDB-12X12 12HX12W Parallel 24V 2-Pos S/R Els PW 29614 making it a reliable solutionThe 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