The Viair Heavy Duty Automatic Deployment Air System is a compact tool for vehicles which provides an all-in-one air source. It delivers incredible performance with a 33% duty cycle 400C Viar compressor. This air system produces 2.62 CFM at a maximum working pressure of 150 PSI. Designed to last for the long haul and includes a 12-port extruded aluminum air tank to provide compact air locker and tire inflation station.
The Viair Heavy Duty Automatic Deployment Air System is equipped with a permanent magnetic motor which operates using a 12-volt DC system. It also features an automatic thermal overload protector, designed to protect the air compressor from overheating and causing permanent damage. When power is made available to this compressor, the system will automatically turn on and fill the ADA reservoir. When the cutoff pressure of the compressor has been reached, the system will shut off automatically.
The Viair Heavy Duty Automatic Deployment Air System is IP67 rated and designed to ensure maximized protection from dust, liquids and solid objects. It has a straight forward plug and play installation process and includes a wiring harness and pre-installed quick connect coupler for easy operation. This air system is backed by a 1-year manufacturer’s warranty.
Configuration Options
The Viair Heavy Duty Automatic Deployment Air System is available in three models. Please choose from the menu above.
- 42045: Base Model Kit, 85/105 PSI
- 42047: Base Model Kit, 110/145 PSI
- 40049: Universal Kit, 150 PSI
Item Number
|  42045 | 42047 |  40049 |
Motor Voltage
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12 Volts
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12 Volts
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12 Volts
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Max. Current Consumption
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28 Amps
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28 Amps
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28 Amps
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Motor Type
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Permanent Magnetic
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Permanent Magnetic
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Permanent Magnetic
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Max. Air Tank Size
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N/A
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N/A
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N/A
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Max. Working Pressure
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150 psi
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150 psi
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150 psi
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Max Duty Cycle (at 72°F & 100 PSI)
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33%
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33%
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33%
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Dimensions
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9″L x 4″W x 6.75″H
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9″L x 4″W x 6.75″H
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9″L x 4″W x 6.75″H
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Net Weight
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10 lbs
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10 lbs
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10 lbs
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What's Included
| - 400C Compressor w/ Thermal Overload Protector
- Extruded Aluminum Air Tank (12-port)
- Pre-installed Safety Valve
- Pre-installed 1/8” NPT Drain Cock
- Pre-installed Safety Valve
- Pre-installed 85/105 PSI Pressure Switch (P/N 42045)
- Pre-installed 110/145 PSI Pressure Switch (P/N 42047)
- 8 x Pre-installed 1/4” NPT Recessed Port Plugs Pre-installed Quick Connect Coupler
- 40-Amp Relay
- 2 x 1/4” NPT to 1/8” BSP Adapters
- 1” NPT M Barbed Fitting for 1/4” Air Line
- 1” NPT F Barbed Fitting for 1/4” Air Line Coiled Air Line (For Remote Mount Air Filter Installation)
- Air Filter Housing
- 2 x Replacement Air Filter Elements Mounting Hardware
| - 400C Compressor w/ Thermal Overload Protector
- Extruded Aluminum Air Tank (12-port)
- Pre-installed Safety Valve
- Pre-installed 1/8” NPT Drain Cock
- Pre-installed Safety Valve
- Pre-installed 85/105 PSI Pressure Switch (P/N 42045)
- Pre-installed 110/145 PSI Pressure Switch (P/N 42047)
- 8 x Pre-installed 1/4” NPT Recessed Port Plugs Pre-installed Quick Connect Coupler
- 40-Amp Relay
- 2 x 1/4” NPT to 1/8” BSP Adapters
- 1” NPT M Barbed Fitting for 1/4” Air Line
- 1” NPT F Barbed Fitting for 1/4” Air Line Coiled Air Line (For Remote Mount Air Filter Installation)
- Air Filter Housing
- 2 x Replacement Air Filter Elements Mounting Hardware
| - 400C Compressor w/Thermal Overload Protector
- Extruded Aluminum Air Tank (12-port)
- Toggle Switch
- Air Line for Remote Mount Air Filter Installation
- 2 x Remote Mount Air Filter Relocation Fittings
- 1/8” NPT Drain Cock
- 1/4” NPT Safety Valve
- 8 x 1/4” NPT Hex Plug
- 1/4” NPT Sealed Pressure Switch (85/105 PSI)
- 2 x 1/4” NPT BSP Adapter
- 1/4” NPT Automatic Coupler
|