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.

Single Stage Bulb & Capillary Thermostats

Two Stage Bulb & Capillary Thermostats

Electronic Temperature Switch

Hydrastat Capillary Diaphragm Assemblies

Thermowells & Support
Tubes
Documentation
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
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