Johnson Controls JT33A00T Motor Actuator 319825-402 When should these mounts be

When should these mounts be replaced

the 100233518 is the current manufacturer part number and is identical to TST2409

What units are compatible with the Carrier HC52AE464A motor

necessitating a replacement

double-throw (SPDT) switch allows you to wire the control to open the circuit on temperature drop for cooling safeties or close a circuit for heating/alarm applications

Johnson Controls JT33A00T Motor Actuator 319825-402 When should these mounts beThe Johnson Controls JT33A00T is a high performance motor actuator designed for precise modulating control in commercial HVACR applications. Specifically engineered for use with J Series Electric Zone Valves, this 24VAC actuator utilizes a three wire floating signal to accurately manage the flow of hot water, chilled water, or saturated steam through coils and heat exchangers. As a non spring return (NSR) component, the unit maintains its last