Zonefirst AOBD-12X8 Damper Els PW 29614 technicians should verify the condition

technicians should verify the condition of the existing fan blade to prevent vibration-induced shaft wear and always match the 4

this 24V ignition module ensures reliable flame rectification and compatibility with various atmospheric and power burner configurations where automatic ignition control is specified

the valve can be installed in any orientation

Increased System Stability: Dampens the effects of boiler surging and water level fluctuations for consistent LWCO performance

Durable 4-Blade Construction: Engineered for structural rigidity and balanced airflow to reduce mechanical stress on the motor

Zonefirst AOBD-12X8 Damper Els PW 29614 technicians should verify the conditionThe 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