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Flexible Installation: Features a multi-poise mounting design
Common Questions Is the 3900-2008-000 compatible with older 3900-2011-000 series heaters
minimizing the risk of carbon buildup or improper flame sensing
Built for high-reliability in demanding environments
designed to interrupt the control circuit when discharge pressures exceed safe operating limits
ZoneFirst AOBD-18X10 Damper Freon Flexible Installation: Features a multi-poiseThe 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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