Medium Temperature Charge: The HC code charge is optimized for medium temperature applications

a stainless steel ball

For professional fire safety in medium-width ventilation runs

The Burnham Boiler 8236023 Pilot Assembly is a precision-engineered OEM replacement part specifically designed for LP gas boiler systems

McDonnell & Miller AF-2 Switch Els PW 29614 Medium Temperature Charge: The HCThe McDonnell & Miller AF 2 Air Flow Switch (Part Number 123200) is a specialized low velocity air flow switch engineered to prove fan operation and monitor airflow in critical HVACR systems. Built for durability, this field proven unit features brass, steel, and aluminum construction, making it ideal for standard commercial and industrial duct environments. The integrated snap acting SPDT switch provides reliable signaling for interlocking blowers,