Zonefirst ZDB-12X18 12HX18W Parallel 24V 2-Pos S/R Refrigerant Key Benefits Universal Compatibility: Reduces

Key Benefits Universal Compatibility: Reduces inventory by replacing over 150 ignitor models including White-Rodgers HotRod and various Norton series

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

Always verify your existing bracket alignment to ensure the springs make solid contact with the electrode tabs

the setpoint sliders can be limited or locked using HFO-0027 setpoint stops to prevent unauthorized adjustments in public spaces

Key Benefits Direct OEM Replacement: Functional successor to the 040-0166-15

Zonefirst ZDB-12X18 12HX18W Parallel 24V 2-Pos S/R Refrigerant Key Benefits Universal Compatibility: ReducesThe 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.