Custom Solutions

Senasys supports & finds solutions for niche manufacturing products in the electro-mechanical industry.

Made in the U.S.A.

Senasys brands are design & manufactured in Eau Claire, Wisconsin, U.S.A.

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Our Products

Senasys produces over a million products annually of +15 different varieties. Choose a product category below to learn more.

Bi-Metal Snap Disc Thermostats

Bulb & Capillary Thermostats

Pneumatic Switches & Controls

Line Voltage Thermostats & Guards

NEMA 4X Rated Line Voltage Thermostats

Duct Limit Controls

Immersion Heaters

Corrugated Replacement Parts

Machined Component Parts

Soldering Equipment

Industrial Controls

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Common applications

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Senasys products support original equipment manufacturers throughout a variety of industries. Choose an industry below to learn more about our different solutions.


We excel at helping OEMs solve problems.

Founded in 1999 with three employees in a few hundred square feet, we have now grown to over fifty employees and 30,000 sq ft. We recently added a line of pressure, vacuum and air switches that are currently hosted at

We excel at helping OEMs using small to large volume of devices solve switch problems related to temperature, pressure/vacuum, air flow, and more. We look forward to helping you find the right switch for your application.

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    Our office hours are

    Monday – Friday

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


    1435 International Drive

    Eau Claire, WI 54701 U.S.A.

    +1 (715) 831-6353