Patterson-Kelley 86-8335-0170 Air Flow Switch R-407A Its heavy-duty galvanized steel construction

Its heavy-duty galvanized steel construction provides the structural integrity needed for high-speed operation and consistent directional airflow across the heat exchanger or evaporator coil

Simplified Diagnostics: Standardized wire coloring and pin-outs allow for faster troubleshooting and circuit verification

it replaces obsolete units like the BRD00741 and BAYCTHI001CA

vibration-free operation in demanding HVACR environments

This specific part number is the 5kW heater element assembly

Patterson-Kelley 86-8335-0170 Air Flow Switch R-407A Its heavy-duty galvanized steel constructionThe Patterson Kelley 86 8335 0170 Air Flow Switch is a critical safety and operational component designed for high performance commercial boilers and water heaters. As an OEM airflow switch replacement, this unit utilizes a sensitive differential pressure diaphragm to detect proper combustion air or exhaust flow. It is engineered to interface directly with Patterson Kelley industrial air flow switch control systems, ensuring the burner only fires when