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Moisture Resistant Thermostats

SEO (T) Series Moisture Resistant Thermostats

The SEO (T) series automatic reset thermostat offers a moisture resistant fully encapsulated design. A resin filled thermoplastic cap covers the thermostat. The snap-action auto reset bi-metal disc has a fixed factory calibrated setting that is located adjacent to the surface. This will provide a rapid response to temperature change. Each device is produced with either normally open or normally closed contacts with built in differential.

The T16 and T17 are rated at 10 amp and are available with #18AWG wire. The T21 and T22 are rated at 25 amp and are available with #14AWG wire and available S.P.S.T or S.P.D.T.

Custom manufacturing options are available. All models can be supplied with various types of terminals and connectors at additional cost. Contact


Moisture Resistant Thermostats Resources


For use in millivolt applications, the "T" Series carries a 12VDC, 250mA rating

  • 10 and 25 amp loads
  • Dust and moisture proof
  • Wide range of operating temperatures

Used in many cold applications such as:

  • Freezers
  • Refrigerators
  • Air Conditioners

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