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35" WC SPDT pressure switch functions as a differential air pressure sensor
A standard 4mm Allen wrench is needed to remove and secure the cartridge within the Sporlan Q valve body
leaving more room for wiring and other controls
This usually signals that the cells are bypassed
Johnson Controls P128AA-1 Oil Control R-410A 35" WC SPDT pressure switchThe Johnson Controls P128AA 1 is a commercial grade Lube Oil Control designed for pressure lubricated refrigeration compressors. This control measures the net oil pressure difference and utilizes a 90 second time delay heater to prevent nuisance shutdowns while protecting the compressor from catastrophic failure due to lubrication loss. Featuring a wide adjustable cut out pressure difference ranging from 8 to 70 PSI, it provides flexibility for