4.0 HP Executive Waterway 56 Frame 230V Pump 2" in/out model 3721621-1D. Many Hydropool and Arctic brand Canada spas use both the 1 speed and 2 speed pumps of the Waterway Executive 4HP series.
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56-Frame Executive Waterway 2-speed pump 4 HP, 230 Volts
Amps Hi: 12.0 Amps
4.0 HP, 2.0" in/ out
For replacement O rings click to order 2 inch O ring
Ideal replacement spa pump for Hydropool, Coast Spas and other hot tub brands. Waterway is a leading, brand name hot tub pump manufacturer that provides quality hot tub pumps to spa manufacturers in the U.S. and Canada.