degreased surfaces

Designed for seamless integration into industrial control loops

it is designed to endure high-cycle operation in demanding warehouse or shop environments

as long as the refrigerant is classified as non-corrosive

The switch features a dual-scaled adjustment knob in both inches water column and pascals

Siemens Building Technology S55155-A109 Floating Control 321142-301 degreased surfacesThe Siemens Powermite MT Series S55155 A109 is a high torque electronic valve actuator engineered for precise terminal unit control in demanding commercial HVACR environments. Built for 24Vac floating control applications, this unit delivers a nominal force of 300N (65 lb), making it a reliable solution for managing MT series valves with a 7 32 inch (5. 5mm) stroke. As a veteran grade HVAC 3 position actuator, it features a fail safe mechanical spring