The new Commander Pro 4” constant water pressure system from Flint & Walling Inc., of Kendalville, Ind., delivers steady, city-like water pressure up to 65 psi, eliminating pressure fluctuations typical of many private water systems and the need for an oversized pressure tank. Designed for the pump professional, this easy-to-install system is ideal where space is limited. The system consists of the Commander Pro 4” submersible pump, a Franklin variable speed motor and an electronic water controller.