0015e3-F4 is a variable speed, high-efficiency wet rotor circulator pump with a 120v, single phase, 4830 RPM ECM permanent magnet motor. This pump features a cast iron casing, a universal 2-way flange, a maximum flow of 16 gym, and a maximum feet of head of 18 feet. It is ideal for hydronic systems zoned with circulators or zone valves. Taco 0015e3 is not suitable for potable water or chilled water systems. Taco 00 Series pumps are cartridge-style, maintenance-free, wet-rotor, in-line circulators. A unique, replaceable stainless steel cartridge contains all of the pump's moving parts, which allows for easy field service. 00 Series cartridge circulator feature carbon bearings that are self-lubricating, a ceramic shaft, and no mechanical seal. An exclusive dirt barrier keeps dirty system water out of the bearing chamber reducing wear on the pump for longer life. The Series 00 impeller is made out of non-metallic material. Flange gaskets are included, but flanges are sold separately.