The Empire piston valve by Delany Products comes with a self-cleaning bypass to keep the bypass open and flowing, thus eliminating clogged filters. A solid-brass piston cartridge provides durability and superior performance at low psi levels. Delany Products piston valve

The cartridge’s nickel plating prevents both corrosion and impurity buildup. The main valve seat is below the supply-line inlet, which allows the lines to be flushed with 100% confidence. Delany’s proprietary Rubberflex handle assembly is simple and easy to use while assuring years of leak-free operation. The piston valve is available in all LEED HET gpf outputs and can be ordered with the company’s patented dual-flush SmartHandle.


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