19B671 is a BriskHeat® automatic On/Off thermostat controller with an on temperature of 90° F (32° C) and off temperature of 105° F (41° C). This thermostat control features a conduit fitting suitable for Class I Division 2 hazardous areas. This automatic on/off thermostat is ideal for individual circuits requiring a weatherproof device. Mounting directly to the heated surface, common applications include temperature control on heat tracing and as an overtemperature limit switch in conjunction with another control system.

About BriskHeat® TD101N / TD101X Automatic On/Off Thermostat Controllers
BriskHeat® TD101 automatic on/off thermostat controllers are thermostats ideal for individual circuits that require a weatherproof device. These controllers can be mounted directly to the heated surface and are available in multiple temperature range choices to fit your application. TD101 controllers feature a single pole double throw (SPDT) and temperature sensitive bimetal disc.

Common applications include use as an external alarm or over-temperature limit switch in conjunction with another control system as well as temperature control on heat tracing and process fluid system applications. TD101X series models are suitable for a Class I Division 2 hazardous areas with an integral 3/4" (19mm) NPT male conduit fitting.

The mounting bracket is 304 stainless steel with two 0.17" (4.3mm) diameter holes for convenient mounting. The black phenolic housing is hermetically sealed. Maximum exposure temperature is -40° F (-40° C) to 221° F (105° C). Our on/off thermostat controllers have a 4' power lead.

Key benefits
  • Weatherproof device
  • Mounts directly to heated surface
  • Single pole double throw (SPDT)
  • Temperature sensitive bimetal disc
  • Rated 25 Amps: up to 277VAC (UR) & 25 Amps: up to 240VAC (CSA)
  • SS304 Mounting bracket with two 0.17" Dia. holes
  • 4' (1.2m) power lead
  • Average accuracy of +/- 15° F (8° C)
  • TD101X have Integral 3/4" (19mm) flexible Male NPT conduit fitting


This information has been provided as a general guide. It is the customer's responsibility to select the proper container for product and application compatibility.

Additional Information

More Information
Dimensions1.5" L x 2" W x 2.9" H
Weight0.7 lbs.
Note:*Heater sold separately
Q & A
Customer Questions
Can you ship internationally? Where are you located?
The Cary Company online ordering platform is only set up to ship within the United States. For international shipments, please contact us at 630.629.6600 or Sales@thecarycompany.com, and we will be happy to process your order. Our main warehouse and office are located in Addison, Ill. We also have warehouses in across the United States that you can see here. Thank you for choosing The Cary Company.
What do you mean by "closed on rise" compared to "on at 90 F"? Will this switch be closed at any temperature less than 105 F and open at any temperature above 105 F?
Thank you for your inquiry. This will come on at 90° and turn off at 105°. It will go +/- 10 degrees each way. Thank you for choosing The Cary Company!
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