Pentair Water Treatment, of Chardon, Ohio, offers a full line of reciprocating multiplex pumps under the CodeLine name. These pumps are in addition to the company’s existing vertical, horizontal and submersible pumps. CodeLine reciprocating pumps are the pump of choice for desalination service and reverse osmosis applications. This makes them a natural for the company that has built its reputation on the high quality of its membrane housings used in the production of process water.