The Chelsea 340 / 351 Series 2-Position Power Take-Off Air Control Valve is the perfect solution for controlling hydraulic accessories in challenging situations. This valve has a small footprint that makes installation in confined locations simple. Its safety knob with spring loaded lockout prevents intentional lever movement. Built for long-lasting performance under heavy use, this valve increases safety by enabling precise control over the hydraulic accessory functions. FleetPride is your First Click in Heavy Duty®.