Johnson Controls T-5210-1113 Pneumatic Temp Transmitter, DA, -40 to 160 Degree F Price: $225.57 (as of 03/08/2021 08:56 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