Guardian-Plus Boiler Feed

The Guardian-Plus boiler feed is used to pump condensate and makeup water directly into the boiler(s). Pump action is controlled by a boiler-mounted level controller that senses boiler water level requirements. Each Guardian-Plus boiler feed pump comes equipped with a float-operated makeup valve to bring in makeup water. Various sizes of cast iron and carbon steel receivers are available to meet just about any installation requirement.


  • Cast iron and carbon steel receivers
  • Simplex, duplex, triplex, and quadruplex units
  • Pump capacities to 150 gpm
  • Discharge pressure to 70 psi


  • 1,000 to 100,000 sq. ft. EDR

Discharge Pressures

  • 10–20 psi with 1,750 rpm units
  • 10–75 psi with 3,450 rpm units


Guardian Plus Series Brochure 2022

Guardian Plus Series Bulletin 2022

Guardian Plus Series Operation & Maintenance 2022

Guardian-Plus Features & Specifications

  • Compact and space-saving mechanical configurations
  • Mechanical seals able to withstand temperatures up to 250°F
  • Simple in-field hookup
  • Available in simplex, duplex, triplex, and quadruplex units
  • Easily customizable with special motors such as TEFC, explosion proof, or wash-down
  • Steel receivers can be modified to fit just about any installation
  • Motors ranging from 1/3 hp to 10 hp available in 115, 208, or 230 single phase or 208, 230, or 460 three phase, 3,500 RPM