we recommend reviewing the chemical compatibility of your probe hardware

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

Use a digital manometer to verify the inducer is pulling the required "WC and a multi-meter to check for continuity across the Normally Open terminals once the set point is reached

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

Dwyer Instruments A-306 Mounting Bracket 320074-702 we recommend reviewing the chemicalThe 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