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including many YK and YT series centrifugal units
Statically Balanced: Each unit is balanced at the factory to minimize mechanical vibration and extend bearing life
a TEFC equivalent is generally recommended
Built with a 55-inch outside diameter and a 21/32-inch top width
United Electric J21K-357 Pressure Switch 319825-402 including many YK and YTThe United Electric J21K 357 is a dual bellows differential pressure switch engineered for precision monitoring in demanding HVAC and industrial environments. This model features an adjustable set point range of 0 to 70 PSID, providing reliable filter status monitoring and flow verification for chillers, compressors, and pump systems. The J21K 357 is housed in a rugged, epoxy coated aluminum NEMA 4 enclosure, ensuring protection against water and dust
