Zonefirst ZDB-12X18 12HX18W Parallel 24V 2-Pos S/R Refrigerant Specifically calibrated for high-performance units

Specifically calibrated for high-performance units like the HC5B(024-060)F1 and HC8B(024-060)F1 series

Common Questions Will this motor work with 1311 or 1361 series valves

it ensures seamless integration and maintains the original equipment’s safety ratings and system efficiencies

or natural degradation of the silicon carbide over time

Whether you are servicing a standing pilot conversion or a modern HVAC electronic ignition system

Zonefirst ZDB-12X18 12HX18W Parallel 24V 2-Pos S/R Refrigerant Specifically calibrated for high-performance unitsThe Zonefirst ZDB 12X18 is a professional grade 12HX18W Parallel 24V 2 Pos S R zone damper engineered for high static HVAC environments. Built with a heavy duty extruded aluminum frame and 3 inch parallel blades, this bottom mount zone damper ensures quiet, low leakage performance in rectangular ductwork. The unit utilizes a 2 wire spring return motor rated for 24VAC, providing a fail safe open position when de energized and a powered closed state.