Siemens Building Technology 331-674 Extender Kit 321042-401 the S97017707 is engineered for

the S97017707 is engineered for the "B" unit revision

This model is engineered for long-term durability

The 0 to 150 degree F setpoint range and 5 degree F fixed differential are managed via a concealed screwdriver slot range adjuster

or the indoor blower motor failing to kick on after the heat exchanger warms up

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

Siemens Building Technology 331-674 Extender Kit 321042-401 the S97017707 is engineered forFor 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