Products

HW series

HW series

HW series

Description

STAIRS HW series residential and light commercial hot water circulator pumps constitute a complete range of 3-speed circulator pumps. The pumps can be used in both open and closed systems. HW pumps are of the canned-rotor type, i.e. pump and motor form an integral unit without a shaft seal and with only two gaskets for sealing. The bearings are lubricated by the pumped liquid. This pump has 130mm or 180mm port to port dimensions to be chosen.
【Cataloge】HW series
【 Manual 】HW series
Applications
  • Solar water heating circulation
  • Floor heating circulation
  • Air condition circulation
  • Hot water boiler boosting
  • Heat pump circulation
Features
  • Easy set-up and installation
  • High efficiency for low electricity bill
  • Robust construction for better reliability
  • Dry-run protection for longer product life
  • Quiet operation for better life quality
  • No sealing problem, No leakage
History
    3Inquiry