The switch allows a technician to bypass the controller by setting the relay to "Closed" (On) or "Open" (Off)

Pro-tip for technicians: always verify the 11x9 blower wheel dimensions and rotation facing the hub before securing the set screw to the motor shaft flat

The lever on the side of the AG13AC40 can be moved to the 'Open' position for flushing

This Robertshaw 5210-248 alternative is a reliable replacement for Uni-Line 23136 and Johnstone Supply F16-897

67" WC but the SPNO contacts do not show continuity on your multimeter

Dwyer Instruments A-306 Mounting Bracket 320074-702 The switch allows a technicianThe Dwyer Instruments A 306 Mounting Bracket is a critical component for technicians establishing a stable outdoor static pressure reference in building automation and HVACR systems. Specifically designed to mitigate the impact of fluctuating wind gusts, this static pressure sensor ensures that sensitive controlssuch as Magnehelic gauges, pressure switches, and VAV controllersreceive a consistent, accurate signal. By orienting the pickup plate