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

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

Is the 40-watt output sufficient for cold-weather startups

As a direct replacement for EPT-102-1

High-torque 115V inducer motor reduces operational noise and vibration-induced fatigue

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,