Cast Iron Taco 008-F6 Circulator Pump is specially designed for use in higher-head applications, such as hydronic heating, radiant heating and solar heating. A typical application for the Taco 008 circulator is in conjunction with a radiant heat manifold in mixing stations and radiant panels. This model features a unique, field-serviceable cartridge that contains all moving parts. Taco 008-F6 Circulator Pump is compact, direct-drive, has low power consumption and is ideal for high-efficiency jobs.