The beefier, dual-swivel-point fl apper is self-centering for superior sealing, and requires only 15 inches of water column. The low-tension spring provides maximum fl ow. Service is simple, since parts can be replaced without cutting the valve out of the plumbing. Clear polycarbonate cover allows easy inspection. Cover is easily removed for cleaning. Cover can be fl ipped 180 degrees to change flow direction. High-temperature CPVC body. (Serviceable)