This transmitter requires a

What are the rotation and mounting specs

Common Questions: Is this compatible with 115V or 230V systems

and heat pump systems (without auxiliary heat)

This SPST normally closed high-limit control features a 7-inch insertion length

Trane CNT0674 v 318820-201 This transmitter requires aThe Trane CNT0674 is an industrial grade 170 210F AUTO Limit Switch designed for high performance temperature regulation in forced air systems. As a SPST N C (Single Pole Single Throw, Normally Closed) safety control, this component is critical for preventing heat exchanger overheating. The switch is calibrated to open at 210F, effectively interrupting the burner or heating circuit when thermal limits are exceeded, and automatically resets when