Model numbers with suffix (-3) indicates the discharge is to the right. Model numbers with no suffix indicate discharge straight up. Model numbers with suffix (-1) indicates the motor is single speed. (bd) Horspower is the motor's maximum load (exceeding this load will burn out the motor). (spl) Horsepower is used by the hot tub industry (for marketing reasons?). (cd) Horsepower is the continuous duty output power of the motor or the pump load to the motor. (DIY) Wetend prices only valid on Table with purchase of a motorīN51 Motor and a separate Wetend for 1½" x 1½" Plumbing Select a Pump Housing, Spa Motor and DIY*** From the Table Below It replaces all 48 Frame through bolt pool and spa motors with the same specifications that are made by Emerson Electric Motors, Franklin Electric Motors, GE Motors, Marathon Electric Motors, Dynatech Motors, SNTech Motors.īN51 Motor and a separate Wetend for 2" x 2" Plumbing Currently it is produced under the Centurion name by Regal Beloit. The BN51 was first introduced by Magnetek and continued to be produced by A.O.Smith and Regal Beloit.
The BN51 is a pool and spa pump motor, 2HP on high speed and 0.25HP on low speed, 3450 RPM high speed and 1725 RPM low speed, 230 volts, 48Y Nema/IEC Frame, Full Loaded Amps 10.5 on high speed and 2.6 on low speed, Thermally Protected Auto-Reset, 1.0 Service Factor, 0.5" Shaft Diameter, 2-5/16" Shaft Length, Insulation Class B.įor years the BN51 has been used by Hayward Pool and Spa Pumps, Waterway Pool and Spa Pumps, American Products Pool and Spa Pumps, Zodiac Pool and Spa Pumps, Sta-Rite Pool and Spa Pumps, Pac Fab Pool and Spa Pumps, Vico Spa Pumps, Balboa Pumps, Aquaflo Spa Pumps, Gecko Spa Pumps, Premier Pool and Spa Pumps, Power Right Industries Spa Pumps and many other spa and pool pump manufactures.
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