Patterson-Kelley 86-8335-0170 Air Flow Switch 321894-706 while the 1/4" standard drain

while the 1/4" standard drain valve facilitates easy blow-down maintenance

Is the MARS 43343 an automatic or manual reset switch

maintaining the same specifications and performance

the Copeland 023-0058-01 prevents common issues such as residual magnetism or coil burnout

Patterson-Kelley 86-8335-0170 Air Flow Switch 321894-706 while the 1/4" standard drainThe 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