Variable Speed Pump

Hays Pumps' Quantum Variable Speed Booster (QVSB) pump uses constant pressure technology to improve water pressure. It is field adjustable, features run-dry protection, is computer connectable (4/20 mA) and has constant flow capability. The QVSB uses only a small 2-gallon pressure tank, and its plug-and-play design make it easy to install. Hays Pumps.