Graco 24Y472 ProXChange Pump

The Basics On-the-job pump repairs are fast and easy with the ProXChange Pump Replacement System. In 4 simple steps, you can remove and replace the pump cartridge. With a spare ProXChange pump on-hand, you’ll never have a down day. On-the-job pump repairs are fast and easy with the ProXChange Pump Replacement System. In 4 simple steps, you can remove and replace the pump cartridge. With a spare ProXChange pump on-hand, you’ll never have a down day.