As an SPST open-high control

The T-4002-201 is typically sold as the internal thermostat body

allow for quick visual inspections

Inverted Flare Retrofit: Specifically designed for 3/4" inverted flare connections

It is a common replacement part for Armstrong

Johnson Controls SCN10A-601R Repair Kit 30067439-890 As an SPST open-high controlThe Johnson Controls SCN10A 601R Repair Kit is a field serviceable solution designed specifically for the restoration of HVAC touchscreen interfaces and control display assemblies. As a critical replacement component for Johnson Controls SCN series interfaces, this kit allows technicians to address touchscreen calibration errors or physical screen degradation without replacing the entire control module. Built to meet original equipment manufacturer