Johnson Controls T-4506-204 Pneumatic Thermostat Els PW 29614 the 30032020 is a main

the 30032020 is a main control board with sensors

Cages and power assemblies must be selected based on your specific tonnage and refrigerant requirements

The spring-loaded

During annual inspections

Johnson Controls T-4506-204 Pneumatic Thermostat Els PW 29614 the 30032020 is a mainThe Johnson Controls T 4506 204 is a professional grade dual temperature pneumatic thermostat engineered for high volume output in commercial HVACR environments. This direct acting controller is designed specifically for vertical mounting and facilitates individual day and night setpoints, or two distinct setpoint controls, without the need for an indexing switch. It manages transitions through a precise switchover at 17 psig, ensuring a seamless