f.a.q.

You have questions. wE have answers.
Where is the Presair product line manufactured?

Presair switches are designed & manufactured in Eau Claire, WI, U.S.A.

Do you sell your products globally?

Yes. We ship our products all across the globe.

How can I purchase your products?

You can purchase our products online via our webstore , Amazon , or eBay

If you can’t find the item you are looking for online, contact our customer service department here.


I have a pneumatic control from another manufacturer. Will yours work?

We can cross reference most pneumatic controls made by other manufacturers to a direct replacement option. Contact us here.

How do I wire my switch?

Most switches are SPDT or DPDT. Contact our customer service for a wiring diagram.

How fast can I get my product?

Products ordered online are typically turned around within 1-3 business days. For large quantity orders, we strive to ship within 10-14 business days. Contact us to receive a quote.

What’s a hysteresis?

The hysteresis switching function is generally included for all switch variants, whether mechanical or electronic, and whether for the parameter of pressure, temperature, level or flow. Hysteresis is generally understood to be the difference between the switch point and the reset point.

What certifications does a Presair switch have?

Senasys confirms that to the best of our knowledge the Presair products we currently supply to meets the RoHS and REACH directives.

Here is a copy of our company wide CRMT.

All Presair products are UL and CUL recognized. 

We look forward to working with you. Please call us at 715.831.6353 or email info@senasys.com

Can I get OEM and Bulk Pricing?

Yes, we have OEM and Bulk purchase pricing available. Please contact us with the part number or application details, and quantity you’re interested in, and our customer service team will return a quote within 1-2 business days

How do I become a distributor?

Please contact us to request a quote to get started.

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    Our office hours are:

    Monday – Friday

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

    PRESAIR

    A Division of Senasys

    1435 International Drive

    Eau Claire, WI 54701 USA

    +1 (715) 831-6353

    info@senasys.com

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