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reducing the risk of soot buildup and unexpected flame failure
Robust Construction: Engineered to withstand the rigors of industrial cooling and high-cycling applications
including many YK and YT series centrifugal units
reducing diagnostic time and ensuring proper fitment
With the 1/4" aluminum orifice installed
United Electric J21K-357 Pressure Switch 319825-402 reducing the risk of sootThe 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
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