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Industry Compliance: Fully compliant with ASTM B75 and ASME standards
Its manual reset functionality ensures the system stays offline until a technician can diagnose the root cause
Verify the orifice size and pressure rating of your valve body to ensure the 10W magnetic lift is sufficient
Frequent tripping is typically an indicator of restricted airflow
it manages the synchronized operation of the 120V fan motor and the water solenoid valve
ZoneFirst AOBD-18X10 Damper 30067439-890 Industry Compliance: Fully compliant withThe ZoneFirst AOBD 18X10 is a heavy duty 18x10 rectangular damper engineered for precise airflow management in residential and light commercial zoning systems. Utilizing an opposed blade design, this unit ensures superior air distribution by counter rotating blades to minimize turbulence and static pressure compared to standard parallel configurations. The damper is driven by a high torque 24Vac power open power closed actuator mounted on the 10 inch
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