Johnson Controls A421ABC-03 Temperature Control R-410A while the B-port is modified

while the B-port is modified to ensure the common port maintains consistent flow

This industrial temperature controller ensures the circuit remains open until an operator physically intervenes

preventing hazardous conditions resulting from flue gas spillage or heat exchanger breaches

determine rotation by looking at the discharge side of the blade

Johnson Controls A421ABC-03 Temperature Control R-410A while the B-port is modifiedThe Johnson Controls A421ABC 03 Temperature Control is a versatile, line voltage electronic thermostat engineered for high accuracy temperature management in HVAC and refrigeration systems. Operating on 120 240 VAC, this single stage control features a Single Pole Double Throw (SPDT) relay output, making it the industry standard direct replacement for the A319ABC 07 01 and A419ABC 2 models. The unit provides a broad temperature control range of 40 to