AR - Industrial Thermostat Thermostat

The Caloritech™ AR Industrial Thermostat is designed for industrial applications where close control of process temperatures is not a requirement. Please note that a protective well or sleeving is required for use in corrosive applications.


  • For industrial applications where a high level of control precision is not necessary
  • Bulbs and capillaries are constructed from stainless steel
  • 3/8 in. dia. bulbs include a 3/8 in. NPT non-removable fitting
  • General purpose painted metal housing

Downloads and videos


Nickel-plated copper bulb and capillaries; select models feature stainless steel bulb and capillaries (see Catalog for details)
DPST controls with 3/8” diameter bulbs include a non-removable 3/8” NPT compression fitting; 3/16” diameter bulbs also available
Available in 3 different ratings: 277 VAC 25 Amp DPST (open on rise); 600 VAC 15 Amp TPST (open on rise); 277 VAC 25 Amp DPST (close on rise)
Temperature ranges vary from -18 – 40°C to 160 – 370°C, depending on model selected
Bulb lengths range from 3 ¼” to 11 ¼”, depending on model selected