Temperature Range: -30 to 100°F. The TF115-023 thermostat offers a single control for either Heating or Cooling. Its NEMA 4X Enclosure Complies with N.E.C. Article 547. The low mass, high surface area of stainless steel coiled sensor provides rapid response to temperature change. Featuring SPDT switches it delivers reliable temperature control for industrial, commercial, and agricultural applications.