| 3721621-1D Waterway Spa Pump 2-speed, 230V, 12.0/4.4A 4hp Executive 56 frame 6.5" diameter 2" SD/CS. Threads measure 3.1" outside diameter. PF-40-2N22C, High performance Water Way Hot Tub Pump, very strong A.O. Smith motor 187563, split capacitor design, double shielded ball bearings. Viton Seals. Overall length=17" Rated 4.0HP 37216211d P240E52024, PF402N22C. Also available with 2.5" inlet for 2-1/2" PVC pipe size, p/n is 3721621-13 in stock. PF402N22C. Century 7-187563-02 motor. Meets California Energy Commission Appliance Regulations as an Energy Efficient motor. Overall length 16-5/8", height 9", width 8-1/4". Energy Efficient A.O. Smith B235, labelled 4.0 HP, often marked by spa manufacturers as 6.0 BHP, which is the maximum brake horsepower it can produce. |