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Housed in a NEMA 3R outdoor enclosure
Designed for heavy-duty service in potable water systems
This industrial-grade relay is a standard inventory item for contractors servicing aging residential systems where precise signal transfer and reliable mechanical switching are required to maintain boiler safety sequences
Always inspect the heat exchanger for cracks if this switch trips
Johnson Controls D352AA-2 Digital Display Freon Housed in a NEMA 3RThe Johnson Controls D352AA 2 Digital Display is a professional grade pressure indication module designed for high pressure HVACR environments. Engineered as the direct replacement for the D352AA 1, this unit provides real time monitoring and setpoint visualization when integrated with P352 and P352P Series controls. It features a high contrast 3 digit LCD that ensures accurate diagnostics for technicians managing critical system parameters. The