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Probe Thermostats

Custom Probe Thermostats

Step1: Choose one of the 50 brass or stainless steel thermowells from stock. Some of these thermowells were designed for high pressure applications rated up to 9000 PSI
Probe Housings

Step 2: Choose the internal sensor which is either creep action or snap action.
Probe Datasheet

    Creep Action: Slow make/slow break switching action. No built-in differential between the opening and closing temperature. Maximum load 6 amp and limited to ¼” NPT.

    Snap Action: Snap action bimetal disc open or close on rise with built in differential. Maximum load 20 amp.

Step 3: Choose the wire type Probe Order Map

If you can't find what you need, please Contact Us to learn more.

Selco’s bimetal Probe temperature limiting or regulating thermostats feature fixed factory preset calibrations, ranging from 32°F to 500°F (0°C to 260°C). Probe thermostats can either open or close on temperature rise capable of continual operation for either hot or cold conditions. These custom probe assemblies are completely over-molded in a one-piece brass or stainless steel construction perfect for immersing or moisture proof applications. Selco can help you design a custom configuration or provide a drop in replacement. All models are UL approved and produced in Reno, NV.

Custom Probe CPC/CPO Series
Custom Probe CPC/CPO Series
Custom Probe CPC/CPO Series



Item #


Cpo 392cp18 072c

Creep or snap action, Single piece construction
1/4", 3/8" and 1/2" NPT mounting threads

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