Johnson Controls T-5210-1113 Pneumatic Temp Transmitter, DA, -40 to 160 Degree F

Amazon.com Price: $225.57 (as of 03/08/2021 08:56 PST- Details)

Make sure this fits by entering your model number.
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