Features high-density circuitry architecture for improved signal reliability and reduced EMI interference

making it suitable for older wall or floor furnaces

When you need a 1-inch NPT solenoid valve that delivers consistent performance under thermal stress

Its PopTop™ design is a favorite among field technicians

If no flame is detected

Patterson-Kelley 86-8335-0170 Air Flow Switch 322838-754 Features high-density circuitry architecture forThe 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