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3721621-1D
BLEMISHED. This is a special deal, a 'blem' - limited availability.
Blemish is shown clearly in second and third and fourth photos. The rear of the motor where the electrical connections are made has 2 threaded screws to hold the cover plate in place. Both threaded bosses for the screws are missing, so the dust cover is not held on. This happens when the pump maker overtightens the small
screws. Duct tape or silicone adhesive can easily be used to hold the cover plate in place though. This pump has been inspected and retested on high and low speed and is fully functional, and it just has this one imperfection.
3721621-1D Waterway Spa Pump 2-speed, 230V, 12.0/4.4A Executive 56 frame 6.5" diameter 2" SD/CS. Threads measure 3.1" outside diameter. High performance Water Way Hot Tub Pump, very strong motor, split capacitor design, double shielded ball bearings. Viton Seals. Overall length=17" Labelled 4.0HP but often relabeled 5hp, 6hp, and even 7hp. 37216211d, P240E52024. Intake and discharge threads are same size as each other and 3.1" outside diameter.
Overall length 16-7/8", height 9", width 8-1/4". Energy Efficient, labelled 4.0 HP, often marked by spa manufacturers as 6.0 BHP, which is the maximum brake horsepower it can produce. Spa Pumps, Hot Tub Pumps; sometimes ships with US Motors/Emerson motor, and sometimes with A.O. Smith/Century 7-187563-02 motor. , 3721621-0D87, 3721621-0D36, 37216210D5ACT, 3721621-0D, 3Y21621-0D, 3721621-0D76, 3721621-1D5A, 3721628-0D85LB, 3721621-0D85CT, 3721621-0D76VK, 3721628-1D, 3721628-0D7G, 3721621-0D85, Niagara, Massage Master XLT, R63MWENA-4727, 3721628-0D5A
Order optional union fitting o-rings here: O-Ring Pack
Optional union fitting gaskets: Gaskets
Can be labelled by one of these 'model numbers', which do not completely define the product like a part number does: PF-40-2N22M, PF-40-2N22MC, PF-30-2N22C, PF-30-2N22M, PF-30-2N22MC, PF302N22C, PF-50-2N22C, PF402N22M, and if you go by the model number, please carefully verify your motor amps rating and the outside diameter of your intake and discharge threads. Any doubts, please email us a few photos and we will help verify for you. email to: [email protected]
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