STEMCO Capillary Switch

Capillary Thermostats Highly Reliable Temperature Switching

Senasys capillary thermostats at 100% tested and sold across the globe. These highly reliable switches undergo submersion testing to verify the temperature which the switch operates. Our quality assurance team submerses 100% of the bulb and three inches of the capillary tube into a cooling / heating circulation bath on temperature rise. The depth that the bulb is immersed in any medium will greatly effect the temperature the capillary thermostat operates. Depending on the dimension and filler used, it can change the characteristics as much as 3°F per 1/4″.

For more information about our capillary thermostats, contact us!

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