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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 specific close-off rating is determined by the actuator paired with this body
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 Whether you are servicing aThe 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.
