Ritchie Industries HP Valve AssemblyOur new valve is another example of our commitment to continually innovate and improve our products. More buoyant than prior models, our newest valve also features a higher flow rate and a thumb screw to easily adjust the water height. The new valve is designed to be an option for high pressure situations. Key Features Large flat float to supply adequate buoyancy force to allow this valve to operate reliably at pressures up to 110 PSI in most