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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
For technicians servicing legacy Utica-Dunkirk boilers
it is compatible with water-glycol solutions up to 60% concentration
vertical mounting is the factory-recommended standard
What is the connection size for the drain line
protecting the system from unnecessary mechanical wear and thermal stress
Zonefirst AOBD-12X8 Damper 30067439-890 For technicians servicing legacy Utica-DunkirkThe Zonefirst AOBD 12X8 Damper is a professional grade automatic opposed blade damper engineered for precise airflow management in residential and commercial zoning applications. Built with anodized extruded aluminum, this 12" W x 8" H unit features a heavy duty 24Vac power open power closed actuator that provides balanced airflow control by moving adjacent blades in opposite directions. This design significantly reduces system noise and eliminates
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