400H-Automatic Hardmount Compressor 12 AMPS They are electrically operated switches

They are electrically operated switches that open and close circuits by receiving electrical signals from outside sources

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See Resources Section below for wiring Diagram Options

Available in 1/4" and 3/8" NPT and 1/8" BSPT

VIAIR’s 450C Dual Performance Value Pack is the “workhorse” of our Dual Performance Value Packs product line

400H-Automatic Hardmount Compressor 12 AMPS They are electrically operated switchesThe 400H Hard Mount Automatic comes with a built in, moisture resistant ON OFF power switch. The trigger control function eliminates the need to turn the compressor OFF and ON between each tire fill, making multi tire inflation a breeze and allowing you to check tire pressure during inflation by simply releasing the inflation gun trigger. It features a heavy duty stainless steel leader hose with a 1 4 quick connect stud for hookup to a coil hose and