Johnson Controls STT18A-601R Repair Kit 30067439-890 the TS244 sensor serves as

the TS244 sensor serves as a reliable remote sensing element when paired with a compatible TD244 temperature selector

This single-phase step-down transformer converts 208/230V primary voltage to a stable 24V secondary output

Engineered to handle high-current electric heat and air conditioning loads

the 40-004-A1 is a major repair kit specifically designed for the Reduced Pressure Principle (RPZ) 40-200 series

Johnson Controls STT18A-601R Repair Kit 30067439-890 the TS244 sensor serves asThe Johnson Controls STT18A 601R Seat Repair Kit is a critical maintenance component designed for the STT series temperature actuators and control valves. This OEM valve rebuild kit provides the necessary internals to restore factory spec seating and prevent bypass leakage in commercial HVAC hydronic systems. By replacing the valve seat assembly, technicians can maintain precise flow modulation without the cost of a full valve body replacement. This