Siemens Building Technology 331-674 Extender Kit 321042-401 Thermal Protection: Integrated manual or

Thermal Protection: Integrated manual or automatic reset circuitry prevents winding failure during restricted airflow conditions

Using it with a higher horsepower motor may lead to overheating or premature failure of the transformer due to excessive current draw

the S97017707 is engineered for the "B" unit revision

Its internal check valve and robust construction make it ideal for heat pump and cooling-only applications where reliable refrigerant flow control is critical

Engineered to eliminate false cycling and provide consistent pressure switch 1

Siemens Building Technology 331-674 Extender Kit 321042-401 Thermal Protection: Integrated manual orFor contractors servicing legacy systems, the Siemens 331 674 Motor Stem Extender Kit is an essential field assembly solution for extending the reach of pneumatic damper actuators. This kit is specifically designed for use with Siemens No. 4 pneumatic actuators, providing a necessary 12 inch (305 mm) extension to bridge the gap between the actuator stem and the damper linkage. The assembly features a high grade 5 16 inch diameter push rod coupled with