Siemens Building Technology 658-072 Actuator 326058-757 By integrating a high-capacitance start

By integrating a high-capacitance start capacitor and a precision-calibrated potential relay

this thermostat lock box is a direct-fit solution for the Emerson/White-Rodgers 1C20

an audible "chatter" or humming from the 24V coil

it ensures seamless mechanical and electrical compatibility

Technical Reliability: Maintains a 75 mA minimum power draw for consistent LCD thermostat performance and logic stability

Siemens Building Technology 658-072 Actuator 326058-757 By integrating a high-capacitance startThe Siemens Building Technology 658 072 Actuator is a direct replacement actuator and trim assembly specifically engineered for 1 inch Siemens Powermite 658 series valves. Designed for seamless integration, this pneumatic valve actuator provides reliable normally open (N. O.) operation, ensuring consistent fluid control in HVACR hydronic systems. With a standard spring range of 2 6 PSI and a 10 Cv rating, it facilitates precise modulation for hot