Enhanced Durability: Robust SPST (Single Pole Single Throw) internal contacts designed to withstand thousands of heating cycles without pitting or sticking

though it remains functional in any environment where a 10K Ohm NTC signal is required

and indoor fan motor

the 100112657 is specifically calibrated for 0

Siemens Building Technology 658-071 Actuator 321894-706 Enhanced Durability: Robust SPST (SingleThe Siemens Building Technology 658 071 is a professional grade Replacement Actuator with Trim engineered specifically for the Powertop 658 Series. As a Normally Open configuration, this pneumatic assembly is a critical component for technicians maintaining sequence and changeover valve operations in commercial HVAC systems. Designed for a 3 4" line size with a 6. 3 Cv flow coefficient, it provides precise fluid control, ensuring optimal pressure drop