TT504, B234, Century Spa Pump Motor 7-187694-01, 3721221-1, TT503, R63MWEMY-4725, 3711221-1

TT503 2 speed 230v 56FR 10.0A Spa Pump Motor 6.5" diameter A.O. Smith Century motor 7-187694-01, or US Motors R63MWEMY-4725, fits Waterway Executive and PUUM series pumps, Coleman Spas, MAAX Spas and others. Overall length 11", height 9", width 6-1/2" , with industry standard 4x6.5" base, 3x5" bolt pattern. Energy Efficient A.O. Smith labelled 3.0 HP, often marked by spa manufacturers as 4.0, or 5.0 BHP, which is the maximum brake horsepower it can produce. Fits PUUMSC2252582F pump, and Waterway PF-30-2N22C, 3721221-1D, 3721221-13 pumps. Waterway p/n 3721221-1, note the AO Smith / Century 10.0 amp is sometimes available and the US Motors TT503 is sometimes available, and the 2 are interchangeable, sorry we can not guarantee stock of one brand or the other. This is exactly as shown and described, a bare motor, no pump.

Also this motor is frequently used as a single speed, using high speed only. 3711221-1