Proportional Temperature Controller, 24-30Vac, 55-175 Degree Setpoint Temperature Range, 200 Degree Maximum Operating Temperature, 3.5-36 Degree Throttling Range, 1/2"x3 9/16" Copper Bulb Size, 20' Capillary Length, One 280 Ohm Potentiometer Analog Output, Provides Modulating Control of Water or Air Temperature in Ducts or Tanks

Proportional Temperature Controller, 24-30Vac, 55-175 Degree Setpoint Temperature Range, 200 Degree Maximum Operating Temperature, 3.5-36 Degree Throttling Range, 1/2"x3 9/16" Copper Bulb Size, 5' Capillary Length, One 280 Ohm Potentiometer Analog Output, Provides Modulating Control of Water or Air Temperature in Ducts or Tanks, Includes Duct Bulb Holder

Proportional Temperature Controller, 24-30Vac, 55-175 Degree Setpoint Temperature Range, 200 Degree Maximum Operating Temperature, 3.5-36 Degree Throttling Range, 7/64"x24' Copper Bulb Size, 24' Copper Averaging Element, One 135 Ohm Potentiometer Analog Output, Provides Modulating Control of Water or Air Temperature in Ducts or Tanks

Proportional Temperature Controller, 24-30Vac, 0-100 Degree Setpoint Temperature Range, 125 Degree Maximum Operating Temperature, 3-10 Degree Throttling Range, 1/2"x4 3/16" Copper Bulb Size, 5' Capillary Length, One 135 Ohm Potentiometer Analog Output, Provides Modulating Control of Water or Air Temperature in Ducts or Tanks, Includes Duct Bulb Holder