Odin will lead your way with this ½” Air Horn installation kit for onboard air systems. Ideal for new train horn installations. Also good for upgrading your current air horn system to a 1/2" system. This will give you a higher flow of air to your air horn, which will make it sound louder. Or you can use this kit for replacement of old worn-out parts on your air horn system. It is RECOMMENDED TO USE A 3 GALLON AIR TANK, OR LARGER FOR THIS AIR HORN KIT. Hose end-to-air tank connecting fitting will require a 1/2" pipe thread port size on the air tank (if smaller size thread use a reducer. not included)

Sound level: 123 dB.
Requirements: 110-volt electric current to operate (on/off switch not included).
Contains: 1/2" heavy-duty electric air valve solenoid, 170/200 psi air pressure switch, 0-to-240 psi air gauge, universal horn button (switch), brass fittings, and 1/2" high-pressure air hose, and Teflon tape sealer.