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Precise Control: The clearly graduated temperature dial (Fahrenheit and Celsius) is viewable and adjustable through the cover for quick field calibrations
Is this 90-ton expansion valve compatible with different refrigerants
Dual-Value Performance: Provides independent capacitance for both the hermetic compressor (25 MFD) and fan motor (4 MFD) to maximize torque and reduce energy consumption
Synchro-Motor Technology: Eliminates hunting and ensures consistent run times regardless of load fluctuations
Siemens Building Technology 331-2976 Actuator 319848-301 Precise Control: The clearly graduatedThe Siemens 331 2976 is a heavy duty No. 4 pneumatic damper actuator engineered for precise control in commercial HVACR systems. Specifically designed for applications requiring a 4 inch stroke and a 5 10 psi spring range, this unit provides the necessary force for the gradual or positive actuation of damper linkages. Its rugged steel housing is finished with a cathodic epoxy electrocoat to resist corrosion, making it a reliable choice for air
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