Patterson-Kelley 86-8335-0170 Air Flow Switch 319847-401 High-Grade Cast Iron Construction: Machined

High-Grade Cast Iron Construction: Machined from fine-grain cast iron to ensure high wear resistance and thermal stability under heavy loads

or the system failing to maintain set humidity levels

055-inch burner orifices

Robust Construction: Features a high-grade 3-phase motor with sealed ball bearings and thermal protection for continuous operation in high-temp environments

Simplified Installation: The CC6 vent kit reduces the number of structural penetrations needed for horizontal venting

Patterson-Kelley 86-8335-0170 Air Flow Switch 319847-401 High-Grade Cast Iron Construction: MachinedThe 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