This spring is intended for standard pressure regulation

Key Benefits: OEM Precision Fit: Explicitly engineered for 33-inch York furnace cabinets to ensure a seamless factory match

With a rugged SPDT switch rated for 15 A at 120-480 VAC

The internal ball bearing system and totally enclosed drip-proof (TDP) design ensure long-term reliability in outdoor environments where dust and moisture are factors

Improved System Efficiency: Regulates refrigerant flow to match cooling load

Siemens Building Technology ASK74.1U Adaptor 323613-751 This spring is intended forThe Siemens Building Technology ASK74. 1U Adaptor is a professional grade U bolt shaft adapter designed for high torque HVAC applications requiring precise movement and reliable coupling. This specialized component is engineered to bridge the gap between heavy duty dampers and Siemens OpenAir damper actuators, specifically the GCA, GBB, and GIB series. Built for durability in the field, it ensures a slip free connection even in high velocity air