Airstream Insertion Pneumatic Thermostat, Direct Acting, Single Setpoint, 40-140 Degree Setpoint Temperature Range, 5-35 Degree Throttling Range, Single Pipe, 1/4" Barb Fitting Air Connection, 18 3/4"x11/32" Sensing Element

Pneumatic Temperature Sensor, Single Pipe, Rod and Tube Sensor Element, 15" Element Length, -40-160 Degree Temperature Sensing Range, Duct Mount, Direct Acting, 3-15 PSI Output Pressure Range, Corrosion Resistant