Circulation Pump GPD25-12SF 3 Speed 115V 60Hz 1"NPT

AB Circulation Pumps are designed for efficient circulation of liquids in heating and air conditioning systems for residential and commercial applications. Our pumps come with three speed settings, allowing you to adjust the pump speed to meet the needs of your system and thereby reducing energy consumption and saving money. Our pumps, featuring a self-lubricating wet rotor design, operate whisper-quiet and maintenance-free. This product has a 3 year warranty against manufacturer's defects and is UL listed. This listing is for the pump (with gaskets) only; flanges and bolts are not included.

Working Condition:
  • Rated at 115V 60Hz single phase AC
  • Pressure of system < 1.0MPa
  • Pressure of water inlet > 0.1 MPa
  • Pumped liquid shouldn't include solid impurities exceeding 0.2mm

    Installation Notes:
    -For indoor use only
    -Not for submersible use
    -Do not run pump dry
    -Use copper conductors only
    -Do not install the motor part above or below the pump body

  • Product Information
    Model GPD25-12SF Phase 1 Maximum Pressure 145psi
    Capacitance 20µF Voltage 115 (60 Hz) Connection Size 1" NPT
    Input Power
    (High/Med./Low; Watts)
    120/ 78 / 57 Rated Current
    (High/Med./Low; Amps.)
    2.0 / 1.7 / 1.2 Materials Cast Iron, Bronze
    Head Range
    0 - 39.3'
    230F Dimensions,
    8" x 8" x 7", 11.1lb


    FAQ and Support

    We have worked with heating systems for over 10 years and are happy to help you with any questions or concerns that you may have. You can email us at or call us at 833 328 6888 for help with your heating projects.