The Kleinn Model 307 is a premium, heavy-duty 12-volt electronic solenoid valve engineered to deliver maximum airflow and lightning-fast activation for high-performance air horn systems. Featuring a high-flow 1/4" Female NPT inlet and outlet configuration, this all-brass valve body is built to withstand extreme pneumatic pressures while ensuring a completely leak-free seal. Perfect for upgrading standard horn valves or completing custom multi-horn plumbing layouts, it wires easily into any 12-volt horn switch circuit to instantly unleash an immediate, high-volume blast of air the exact moment the button is pressed.
Direct Replacement for Kleinn Compact Air horns and model 220. 630, 500, 501 Train horns
