Compatible with multiple pumps This replacement assembly works with 1500, 2500 and 4000 GPH filtration pumps, as well as 2000 GPH chlorinator pumps and saltwater chlorinators, providing a versatile fit for your pool system. Efficient water control The piston valve design allows you to stop water flow quickly and conveniently, making routine maintenance straightforward and minimizing downtime. Easy replacement or upgrade Whether you are replacing an old piston valve or upgrading your system, this assembly simplifies hose and pump changes for hassle-free pool management. Comprehensive package contents Includes a 10747 piston valve and a 10722 adapter, giving you everything needed to improve your filtration setup. Use scenarios - During routine maintenance, quickly shut off flow to service the filter without draining lines. - Upgrading an aging filtration or chlorination setup to accommodate different pumps or a saltwater system. - Replacing a worn valve in a saltwater chlorinator or chlorinator pump configuration to restore reliable flow control.