Siemens Building Technology 331-2973 Kit Freon this high-pressure control is a

this high-pressure control is a standard component in various equipment manufactured under the Johnson Controls umbrella

What is the maximum differential pressure for the B223+LF24-S

this acetal or cast aluminum insert ensures proper stem guide alignment and support within the lower diaphragm case

If the start relay fails to close the circuit to the start capacitor and windings

Enhanced System Reliability: New replacement PCB eliminates intermittent operation caused by capacitor degradation or trace oxidation on legacy boards

Siemens Building Technology 331-2973 Kit Freon this high-pressure control is aThe Siemens 331 2973 is a rugged, metal fabricated No. 4 pneumatic damper actuator designed for the gradual or positive control of HVAC systems and fire smoke dampers. Built for high demand applications, this piston type actuator features a 4 inch stroke and a nominal 8 13 psi spring range, ensuring precise positioning of ventilating systems and mixing boxes. This universal kit includes a mounting plate, pivot post, clevis, and damper crank,