making it suitable for older wall or floor furnaces

offering an R22 capacity of 9

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

this SPDT limit control features an automatic reset function that ensures the system returns to normal operation once temperatures stabilize within the safe functional window

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

Patterson-Kelley 86-8335-0170 Air Flow Switch 322838-754 making it suitable for olderThe 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