Dwyer Instruments, Inc. offers an extensive series of temperature switches. Their product line includes thermocouple temperature switches, digital temperature switches, dual stage temperature switches, thermocouple limit controls, water level switches, digital refrigeration temperature switches, explosion proof and heavy duty thermostats, bi-metal air temperature switches, remote reading thermometer with switches, digital thermocouple/RTD temperature switches and thermocouple and RTD limit/alarm switch modules.