| 3721621-1W Waterway Spa Pump 2-speed, 230V, 12.0/4.4A EX2 56 frame 6.5" diameter 2" SD/CS. Threads measure 3.1" outside diameter. EX2 is the ideal Aqua-Flo XP2e Flo-Master Extreme replacement pump, High performance Water Way Hot Tub Pump, very strong A.O. Smith motor 187563, split capacitor design, double shielded ball bearings. Viton Seals. This Aquaflo replacement pump replaces Flomaster XP, XP2e, and XP2 series. Overall length=17" Rated 4.0HP 37216211W PF-40-2N22C6 . Also available with Emerson Electric motor, model 3M21621-1W. A good replacement for the discontinued Bigfoot pump PUBFS2602582F. These pumps are full rated 4HP, and uprated to 5HP, or by some spa manufacturers, 6HP, please note.
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