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Key Benefits for Contractors Exact OEM Compatibility: Serves as the official 8402-048 replacement
Always check the pressure drop across the drier before assuming a leak
Is the Emerson BVE-014 compatible with subcritical CO2 systems
you must use the specific 210F rated switch designated for your model
Cleveland Controls DFS-221 Switch Key Benefits for Contractors ExactThe Cleveland Controls DFS 221 Air Flow Switch is a high precision, factory set differential pressure switch designed for air proving in demanding HVAC and energy management systems. Engineered to detect positive, negative, or differential pressure, this SPDT air pressure sensing switch is factory calibrated to operate on a pressure rise at 0. 05" 0. 02" w. c.. Its non adjustable design ensures consistent performance in duct heaters, ovens, and