TH109 thermostat has a two-piece molded plastic
enclosure with all exposed metal parts of stainless
steel. These thermostats, listed by Underwriters
Laboratories Inc. (UL), meet the requirements
for NEMA 4X equipment and are suitable for use
under the National Electric Code (N.E.C.) Article
547-4, when used with appropriate watertight
connections.
The TH109 features two SPDT switches staged 3°F apart. It delivers reliable temperature control for
industrial, commercial and agricultural applications.
