Pentair 523557 XCVR Assembly HPW 900MHz - Pentair makes the most of life’s essential resources, from great tasting water straight from the kitchen faucet, to industrial water management and everywhere in between. We deliver solutions that help people move, improve and enjoy water, and sustainable applications that help ensure the health of the world. Pentair offers solutions to filter, clean and sanitize water to its purest state, while automation equipment makes it easy to control from anywhere.