Viair 110-150 PSI Pressure Switch with 40A Relay


  • One of the best pressure switches on the market. Turns your compressors on when the pressure goes below 110 PSI and automatically turns off once the pressure reaches 150 PSI.

    You cannot make a warranty claim on your Viair Compressor without using this device.

    Tested to last over 10,000 cycles. These heavy-duty, moisture-resistant pressure switches come with built-in relays for longevity.

    Leads are pre-fitted with insulated 14in male push-to-connect terminals. Each lead wire is clearly labeled for easy electrical hook up.

      1. Moisture Resistant
      2. Built-In Relay
      1. One Viair 110/150 PSI Pressure Switch with Built-In Relay
      1. Part Number: PS-150R
      2. Ports: 1x ⅛″ NPT male
      3. Turn-Off Pressure: 150 PSI
      4. Restart Pressure: 110 PSI
      5. Voltage: 12 Volts DC
      6. Max Amps: 40 Amps
      7. Length: 4.25″ (107.95 mm)
      8. Width: 2.25″ (57.15 mm)
      9. Weight: 1 lb (0.45 Kg)
      • Money Back Guarantee/Refund Policy
        All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly.
      • satisfaction guarantee offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing.
      • Cross-Shipments will not cross-ship returned merchandise.
      • Physical Damage Policy
        Physical damage to any product purchased at will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.


    This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

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