McDonnell & Miller AF-2 Switch Freon can safely replace a 370V

can safely replace a 370V unit

or trigger external alarm horns

Can I use the 120Z0459 to replace the 7303507

Enhanced Durability: The stainless steel jacket prevents premature failure caused by high-heat environments and corrosive combustion byproducts

McDonnell & Miller AF-2 Switch Freon can safely replace a 370VThe 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,