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AHW Series - Circulator Pump | Stairs Asia Pacific Pte Ltd

AHW Series

The AHW(S) series is a high energy-efficient variable speed circulator pump, this series pumps provide 8 different modes selection, such as Highest/Lowest proportional pressure, Highest/ Lowest constant pressure, Highest/ Medium/ Lowest constant speed, and Night version to replace existing fixed speed circulators in order to meet most circulation systems.

HW Series - Circulator Pump | Stairs Asia Pacific Pte Ltd

HW Series

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.