The High Velocity series Taco 0014 cartridge Circulator is designed for quiet, efficient operation in medium head / medium flow applications on large residential / light commercial systems. Ideal for hydronic heating, radiant heating, chilled water cooling and open loop domestic fresh water systems. Its unique field-serviceable cartridge contains all moving parts. Replacing the cartridge rebuilds the Circulator. With no mechanical seal, the self-lubricating, maintenance free design provides unmatched reliability. Compact and lightweight, with excellent performance characteristics, the 0014 is ideal for high efficiency jobs where space is a premium. Available in Cast Iron or Stainless Steel construction.