VIAIR Pressure Switch with Relay - 90111

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  • VIAIR | Part Number: V/A90111
  • Fitment:Universal Fit
  • Availability:In Stock


Pressure Switches with Built-in Relay - are heavy duty and moisture resistant. they are been tested to last 10,000+ cycles. They measure 4.25 x 2.25 and come with 1/8 inch male port fittings. Leads are pre-fitted with insulated 1/4 inch male push-to-connect terminals that are clearly marked for simple installation.

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Question & Answers

2 Answered questions

Q: The white wire is labeled to hook to compressor positive, which is going to power source. Do I wire white from pressures with big red wire from pressures with to positive and power source all together? Answer this question

A: Hello Bo, Thank you for asking. Unfortunately we do not have those specs. Please contact Viair direct so they can assist you with that question. 949-585-0011

Answered by Robert on 11/05/2014

Q: What does this switch controls? Answer this question

A: Hello Fan, It controls the air pressure shut off for the air compressor. If you have anymore questions feel free to ask, Thank you.

Answered by Anonymous on 07/01/2014


When you're looking for compressors and air accessories for the off-road market, VIAIR is a vital air source for Jeeps running onboard air systems or portable compressors. 4WD has an extensive lineup of VIAIR products and accessories like pressure gauges, air filters and airline fittings. Operate air tools, inflate intertubes, balls and other sports gear, and of course, re-inflate tires after a day on the trails with reliable VIAIR products. Compressors draw various amps with different PSI working pressures to fill bigger tires quickly and hassle-free. VIAIR's constant duty onboard air system for Jeeps offers a 100% duty cycle with all the necessary components to keep your wheeling adventures aired-up and safe. Shop VIAIR Now


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