VIAIR 150 PSI Air Source Kits come with a powerful， 30% duty cycle， 280C VIAIR compressor mounted on a 150 PSI rated 2.0 Gal. air tanks with 5 ports. All Air Source kits come with a pre-wired pressure switch (P/N 20005 / 110-150 PSI). The 150 PSI Air Source Kit comes complete with a 1/4 in. NPT brass drains cock， 1/4 in. NPT ASME coded and certified safety valve， 1/2 in. NPT port compression fitting for 3/8 in. airline pre-installed. To use， simply connect the pressure switch to fused power， make a solid ground and connect an airline to the compression fitting. The use of a 40 Amp relay and an appropriately-rated fuse is strongly recommended to preserve the life of the pressure switch.

Kit comes with a VIAIR 280C air compressor and is capable of building 150 PSI with a flow rate of 1.59 CFM at 0 head pressure

To create your own air horn system， you just need to tap your air hose in from your air horn， then follow your air horn wiring diagram

Vehicle's engine must be running before turning on the compressor

(Optional) you can also tap into the air tank to use the air source kit as a tire inflator

Follow the wiring diagram in the instructions or visit our website for the schematic