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this negative pressure gas valve facilitates the exact air-to-fuel ratio required for modern condensing units
While the CSP-5001 is factory-set for CCW to close
moisture-resistant interface with the main control board
it can typically be cleaned with isopropyl alcohol without shifting the calibration
Belimo S2A/500GR Aux. Switch 320735-701 this negative pressure gas valveThe Belimo S2A 500GR auxiliary switch is an essential add on component for precise control and feedback in HVACR systems. Engineered for seamless integration with both damper actuators and rotary actuators, this unit provides reliable position signaling and switching functions. Featuring a 2x SPDT switch configuration, it offers versatile control options for various applications. Technicians will appreciate the easily adjustable switching points,