Viair 120 PSI 1.5 Gallon Air Source Kit

MC-127V

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Looking for a cost-effective and simple all-in-one solution for your onboard air? With the Viair 120 PSI 1.5 Gallon Air Source Kit you get a 1.5-gallon air tank with a built-in compressor, pre-wired and pre-plummed to give you everything you need to bring reliable onboard air to your vehicle! This 120 PSI system is ideal for our air horns and train horns, giving you the performance you need to get the most out of your horns without breaking the bank. 

The Viair 120 PSI 1.5 Gallon Air Source Kit features a lighting-fast Viair 275C Air Compressor mounted directly to the tank, delivering a 25% duty cycle and an insane recharge time of only 35 seconds to refill the tank from 90-120 PSI. The included 90-120 PSI pressure switch will automatically refill the 1.5-gallon tank back to 120 PSI when your tank drops below 90 PSI, allowing you to use your system without having to monitor your air pressure. 

Bringing onboard air to your ride has never been easier with the Viair 120 PSI 1.5 Gallon Air Source Kit! With the Viair 120 PSI 1.5 Gallon Air Source Kit already pre-wired and pre-plummed, you can be up and honking in no time. Simply connect the pressure switch to fused power, make a solid ground, and connect an air line to the compression fitting and you are all set! 

**Tank mounted air compressors arHornBlasterse not fully sealed.  For this reason, the manufacturer recommends the tank/compressor system be mounted in the upright position in an enclosed space away from moisture, dirt, debris, etc**

PSI CFM A BAR LPM A
0 2.03 10 0 57.5 10
10 1.17 12 1.0 32.0 13
20 1.11 13 2.0 30.0 14
30 1.04 15 3.0 28.5 16
40 1.01 15 4.0 26.5 16
50 0.97 16 5.0 24.5 17
60 0.92 16 6.0 22.5 17
70 0.88 17 7.0 21.5 18
80 0.83 17 8.0 20.0 18
90 0.79 17 9.0 18.5 18
100 0.76 18 10 17.0 17
110 0.72 18
120 0.67 18

* Supply Voltage: 13.8 Volts 

1.5 GALLON TANK FILL RATE
0 to 120 PSI 2 min. 10 sec. (±10 Sec.)
90 to 120 PSI 35 sec. (± 5 Sec.)

 * Supply Voltage: 13.8 Volts

  • Viair 1.5 Gallon Air Tank
  • Viair 275c Air Compressor
  • Pressure Switch (90 PSI on, 120 PSI off)
  • 1/4" NPT 175 PSI Safety Blow-Off
  • 1/4" Drain Cock
  • 1/2" NPT Compression Fitting
  • Insulated Wiring with Connectors
  • Installation Instructions
  • Viair 275c Air Compressor
  • 1.5 Gallon Air Tank
  • 90/120 PSI Pressure Switch
  • 145 PSI Safety Valve & Drain Cock
  • 1/2" Compression Fitting
  • Part Number: MC-127
  • Manufacturer: Viair
  • Model: 20003
  • Air Source Kit
  • Operating Pressure: 120 PSI
  • Length: 15.0″ (381 mm)
  • Width: 6.0″ (152.4 mm)
  • Height: 13.0″ (330.2 mm)
  • Air Source Tank
  • Volume: 1.5 gals (5.6 L)
  • 1/4" NPT Ports: 5
  • Length: 15″ (381 mm)
  • Width: 6″ (152.4 mm)
  • Height: 8.5″ (215.9 mm)
  • Weight: 8.65 lb (3.92 Kg)
  • Air Source Compressor
  • Voltage: 12 Volts
  • Max Amperage: 18 Amps
  • Max Output: 2.03 CFM
  • Maximum Duty Cycle: 25% @ 100 PSI
  • Maximum Working Pressure: 150 PSI
  • Length: 6.5″ (165.1 mm)
  • Width: 3.5″ (88.9 mm)
  • Height: 4.5″ (114.3 mm)
  • Weight: 5.1 lb (2.31 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 HornBlasters.com of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly.
  • Warranty
    This product is backed by Viair's One-Year Manufacturer's Defect Warranty!
  • HornBlasters.com Satisfaction Guarantee
    HornBlasters.com offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing.
  • Cross-Shipments
    HornBlasters.com will not cross-ship returned merchandise.
  • Physical Damage Policy
    Physical damage to any product purchased at HornBlasters.com 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.