High Quality

Bulb & Capillary Thermostats are 100% Tested & Ambient Compensated before they leave our facility.

Made in the U.S.A.

These products are made in Eau Claire, Wisconsin, U.S.A.

Direct Customer Support

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Our Products

Original equipment manufacturers worldwide use bulb & capillary thermostat switches designed & manufactured by STEMCO, a Division of Senasys, for food equipment, HVAC and other applications.

STEMCO Capillary Tstat 351-253956
Single Stage Bulb & Capillary Thermostats
STEMCO Capillary Switch 351-254288
Two Stage Bulb & Capillary Thermostats
Electronic capillary sensor
Electronic Temperature Switch
368 Capillary Diaphragm Assembly
Hydrastat Capillary Diaphragm Assemblies
Large Silver Thermowell STEMCO Capillary Switch
Thermowells & Support
Tubes

Documentation

Common applications

Learn more about how our capillary thermostats are used.

faqS

Your questions, answered.

CATALOG

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COMPANY NEWS

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Testimonials

We take pride in the quality of our products and excellent customer service. 

Do you sometimes have the feeling that you’re running into the same obstacles over and over again? Many of my conflicts have the same feel to them, like “Hey, I think I’ve been here before”

John Doe

Company Name

Do you sometimes have the feeling that you’re running into the same obstacles over and over again? Many of my conflicts have the same feel to them, like “Hey, I think I’ve been here before”

John Doe

Company Name

Do you sometimes have the feeling that you’re running into the same obstacles over and over again? Many of my conflicts have the same feel to them, like “Hey, I think I’ve been here before”

John Doe

Company Name

Do you sometimes have the feeling that you’re running into the same obstacles over and over again? Many of my conflicts have the same feel to them, like “Hey, I think I’ve been here before”

John Doe

Company Name

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    Our office hours are

    Monday – Friday

    8 a.m. to 4 p.m. CST

    STEMCO Capillary switches

    A Division of Senasys

    1435 International Drive

    Eau Claire, WI 54701 U.S.A.

    +1 (715) 831-6353

    info@senasys.com