Titan 0509533 Foot Valve

Foot valve 0509533 for Advantage and SprayTech sprayers

The 0509533 foot valve is a one-way check valve installed at the end of the suction tube or within the pump inlet of compatible sprayers. It is designed for use with Advantage GPX 165; SprayTech GPX 165; SprayTech GPX1600; and SprayTech LC1600 models. Its primary function is to maintain pump prime by allowing fluid to flow into the pump while preventing it from draining back into the container when the pump stops. This is essential for quick restarting and consistent performance. The valve contains a sealing mechanism, such as a ball and seat or a diaphragm, that opens under suction and closes when pressure equalizes. Over time, the sealing surfaces can wear, become clogged with debris, or be damaged by harsh chemicals. A faulty foot valve may cause the pump to lose prime, leading to dry running, cavitation, and reduced spray pressure. Symptoms include difficulty priming, spitting at the gun, or the pump running without building pressure. Replacing a worn foot valve with this genuine part restores reliable priming and prevents damage from running dry. Regular inspection and replacement of the foot valve is a key maintenance task for ensuring trouble-free operation.