Certified

Meets requirements in Section 607.3.1. of the North Carolina Mechanical Building Code.

Made in U.S.A.

Manufactured in Eau Claire, WI.

Direct Customer Service

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Our Products

CEMCO offers high limit control duct switches that shut down HVAC systems in the case of high temperature.

View a product below to learn more.

Adjustable Temperature Duct Limit Control
Fixed Temperature Duct Limit Control

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COMMON APPLICATIONS

Learn more about where our duct limit switches are used.

faqS

Most of your questions, answered.

company news

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Testimonials

We are always looking for our customer’s feedback. If you’d like to leave us a review to be posted online, please email us at info@senasys.com.

Purchased one of these units for my furnace. It is a quality product and great customer service provided as well.

Tyler A.

Home Owner

We needed 11 duct controls for an inspection of an apartment building. Company was easy to work with and helped us find what we needed to pass the inspection.

Alex R.

Contractor

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 Distributors

Prefer to work with a distributor, visit one of our partners websites below.

    Our office hours are

    Monday – Friday

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

    cemco 

    A Division of Senasys

    1435 International Drive

    Eau Claire, WI 54701 USA

    +1 (715) 831-6353

    info@senasys.com