Johnson Controls T-5210-1002 Pneumatic Temp Transmitter, DA, 0 to 100 Degree F Price: $212.00 (as of 25/09/2021 16:16 PST- Details)

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Provides an exact proportional relationship between the measured temperature and the transmitted signal
Includes appropriate brackets for mounting to ductwork, walls, or directly to the hub of a duct flange, or separable well