The Zonefirst AOBD-12X8 Damper is a professional-grade automatic opposed blade damper engineered for precise airflow management in residential and commercial zoning applications

Engineered for precision control

Whether you are performing a compressor replacement or retrofitting a system

though the snap switch head mechanism provides more precise differential control and eliminates hazardous materials from the boiler room

Utica-Dunkirk 1140007 Ignition Control 323055-751 The Zonefirst AOBD-12X8 Damper isThe Utica Dunkirk 1140007 Ignition Control is a critical 24V intermittent pilot (IP) module designed for precise ignition sequence management in boiler and furnace applications. Engineered as a genuine OEM component for ECR International brands, this control handles the high voltage spark for pilot ignition and monitors flame rectification to ensure safe main burner operation. The unit is equipped with a dedicated alarm terminal to provide immediate