Since 1995s, Wasco has been supplying the aerospace market with supervisory pressure switches. Our customers use our products in fuel systems, oil pressure, and de-icing. Wasco supplies reliable pressure and vacuum switches that are engineered to withstand the stringent safety and quality standards in the aerospace industry. Wasco is ISO 9001:2015 certified, and our products are both UL recognized and CE compliant. Together, our team has engineered, manufactured, and sold hundreds of thousands of switches to the aerospace market.

We engineer, manufacture, and sell pressure switches that are temperature resistant, reliable, and robust.


At Wasco, we know that you want to feel confident in the specification process. To do that, you need a pressure sensor that meets your requirements. The problem is that most companies don’t take the time to understand the complexity of your requirements.

We believe it shouldn’t be so difficult. We understand how complicated the specifying process is because we’ve specified and sold hundreds of thousands of pressure sensors for customers in the aerospace industry since 1995.


  • Fuel systems

  • Oil pressure 

  • De-icing

Contact us today to stop wasting time and money, and instead get exactly what you need, precisely when you need it.  

1. Tell us what you need

2. Review the specifications

3. Place an order

Series Commonly Used In The

Aerospace Industry


Super Purity Vacuum Switches

All-Welded Stainless Steel


Super Purity Pressure Switches

All-Welded Stainless Steel

2245 A. Street

Santa Maria, CA 93455

Tel: 805-739-2747

Do you have an existing Wasco part number?

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