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and L8C Upflow furnace models
Direct Compatibility: Engineered as a drop-in replacement for PCBFM131S and PCBFM103
Standardized Fit: 3/4" NPT threads allow for seamless integration into existing HVACR piping
Maintenance-Free Design: Brushless DC motor prevents stall-related failures and extends the operational lifecycle
mounting with the coil upright is recommended to prevent sediment buildup in the pilot orifice
York 024-39397-001 Flow Switch 30067439-890 and L8C Upflow furnace modelsThe York 024 39397 001 Flow Switch is a mission critical differential water pressure (DWP) control designed for high performance HVAC and chiller systems. Engineered as a 24V flow switch, this component monitors real time fluid movement to protect downstream equipment from dry run conditions, pump cavitation, and thermal overload. Rated for a 150# DWP (150 PSI) maximum operating pressure, it provides the robust durability required for industrial and