the 100112657 is specifically calibrated for 0

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

meaning it will return to the full-flow position unless driven closed by an actuator

Functioning within a broad 190-630VAC input voltage range

Fits Popular Carrier Models: Z33AC04M6CDNEK0001

Siemens Building Technology 658-071 Actuator 321894-706 the 100112657 is specifically calibratedThe 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