Barksdale E1S-H90-F2 Pressure Switch 321894-709 this part is specific to

this part is specific to certain gas furnace series

which can trick the sensor

This kit is primarily designed for halocarbon refrigerants used in the Parker Flo-Con line

this York OEM replacement part simplifies installation by maintaining exact center-height specifications for proper belt and pulley alignment

Barksdale E1S-H90-F2 Pressure Switch 321894-709 this part is specific toThe Barksdale E1S H90 F2 pressure switch is a high performance electromechanical control designed for demanding industrial and HVACR applications. Engineered for precision and longevity, this compact pressure switch features a stripped, NEMA 4 rated housing suitable for environments requiring moisture and dust resistance. This specific model utilizes a diaphragm actuated sensing element, ensuring rapid response times and tight repeatability within its