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protects the heat exchanger by validating proper airflow and flue venting
a 3/8" aluminum orifice
OEM Precision: Direct York replacement part ensures exact physical fitment on the valve stem
including the FTXS and MXS series
Siemens Industrial Controls HF361R Switch 328140-751 protects the heat exchanger byThe Siemens HF361R is a Heavy Duty Safety Switch engineered for demanding industrial and commercial HVACR applications. This 30A 3P 600V 3W Fused Switch features a NEMA 3R enclosure, making it suitable for outdoor environments where protection against rain, sleet, and external ice formation is mandatory. Built with visible blade construction and a quick make, quick break operating mechanism, this unit ensures positive operation and reliable circuit