and Payne often share components

By maintaining a secure blower assembly alignment

typically integrated via a system selector switch or controller

rectified 24 VAC output to drive stage

Reliable Coil: 24V AC electrical operation (24/60 voltage) is compatible with standard HVAC control circuits

ZoneFirst AOBD-20X10 Damper 322838-754 and Payne often share componentsThe ZoneFirst AOBD 20X10 Damper is a professional grade automatic opposed blade damper engineered for precision bypass and zone control in high demand residential and commercial ductwork. This 20" wide by 10" high unit features an anodized extruded aluminum frame and blades, ensuring a low profile footprint that fits into 3 inch slots for streamlined side mount installation. Each blade is connected via a stainless steel draw bar and nickel plated