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What power source does this unit require
Can I use an aftermarket collector box instead of the OEM 20171003AS
As a veteran-grade HVAC air pressure switch
Fixed Setpoint Reliability: Factory-calibrated 38°F opening and 48°F closing points eliminate the risk of field adjustment errors
this unit is the engineered successor for MCS-S and 2890-520 models
Johnson Controls R310AE-2 Sensing Switch 30067439-890 What power source does thisThe 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
