Johnson Controls R310AE-2 Sensing Switch 30067439-890 Why is a barometric control

Why is a barometric control necessary for coal applications

Fixed Setpoint Reliability: Factory-calibrated 38°F opening and 48°F closing points eliminate the risk of field adjustment errors

Can I use an aftermarket collector box instead of the OEM 20171003AS

Technicians often look for the 209D05 cross-reference when sourcing this part

Johnson Controls R310AE-2 Sensing Switch 30067439-890 Why is a barometric controlThe 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