Pay in 4 interest-free payments of $27.80 Learn more
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
it is compatible with water-glycol solutions up to 60% concentration
protecting the system from unnecessary mechanical wear and thermal stress
What is the connection size for the drain line
maintaining calibration despite constant thermal cycling
vertical mounting is the factory-recommended standard
Zonefirst AOBD-12X8 Damper 30067439-890 it is compatible with water-glycolThe 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