Siemens Building Technology 331-4311 Actuator Els PW 17895 automatic reset switch engineered for

automatic reset switch engineered for critical low pressure cutout protection in commercial HVAC and refrigeration systems

ensuring a perfect 1/4" fit

Durable Construction: Built to withstand the high-temperature environment of the furnace vestibule or heat exchanger mounting points

For systems prone to shorts

Cutting the capillary will release the pressure charge and render the unit inoperable

Siemens Building Technology 331-4311 Actuator Els PW 17895 automatic reset switch engineered forThe Siemens Building Technology 331 4311 Actuator is a No. 3 Pneumatic Damper Actuator engineered for the gradual or positive control of HVAC dampers and air valves. This robust, metal fabricated unit operates within a 3 to 7 psi spring range and features a 2 3 8 inch stroke, making it a reliable choice for mixing box dampers and unit ventilators. As the direct replacement for MK 693 85, it integrates seamlessly into existing pneumatic systems using