Why is my system throwing a sensor open/short error code

To ensure accurate differential pressure sensing

This item is the mixing chamber body only

High-Visibility Dial: The 2-1/2" display features defined increments for 0-60 PSIG

This switching relay is essential for maintaining the operational integrity of 1/4 DIN controllers

Johnson Controls R310AE-2 Sensing Switch 30067439-890 Why is my system throwingThe Johnson Controls R310AE 2 is a high performance current sensing switch designed for HVACR professionals who need reliable interlocking and status monitoring without direct electrical connection to the sensed circuit. This solid state current status switch operates with a normally open configuration, closing its internal electronic switch whenever the alternating current in the monitored conductor exceeds the 0. 5 ampere threshold. This model is