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the H43AA-12 and H43AA-12C are technically identical in form
In a vacuum system
While primarily utilized for R-22 refrigerant in legacy applications
Key Benefits Forged Brass Construction: High-density body provides superior strength and durability under high-pressure 700 psig conditions
Cleveland Controls AFS-271-396 Air Flow Switch THPU32HP7Y the H43AA-12 and H43AA-12C areThe Cleveland Controls AFS 271 396 Air Flow Switch is a professional grade differential pressure switch designed for precise monitoring in HVAC and industrial process ventilation. This unit features an adjustable set point range from . 05" . 02 to 2. 0" w. c., allowing for fine tuned calibration across a variety of airflow velocities. Engineered with a Normally Open (NO) contact configuration, the AFS 271 396 is optimized for safety interlock