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This specific furnace air pressure switch is the certified direct replacement for 42-21582-03
the EP2101S supports selectable input signals including 4-20mA
0 Cv rating provides high volume throughput with minimal pressure drop across the 1/2 inch orifice
The low-pressure side offers a regulation range of 6 to 108 psig with an adjustable differential of 10 to 60 psi
Johnson Controls S350PQ-1 Module Els PW 29614 This specific furnace air pressureThe Johnson Controls S350PQ 1 is a high performance Proportional Plus Integral Temperature Stage Module designed for precise modulating control in commercial HVACR applications. This electronic stage module interfaces seamlessly with the A350 series, utilizing a 5 Vdc reference provided by the A350 and operating on a standard 24 V power supply. Field proven and versatile, the S350PQ 1 offers both 0 to 10 Vdc and 0 to 20 mA analog outputs, allowing
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