Part #:B2858

Alternate Part #s: 10-177476-20, 14728, 16-177476-28, 164654, 168454, 177081, 177476, 193987, 355342, 5KCR48UN2493X, 7-168454-24, 7-168454-25, 7-177081-24, 7-177476-20, 7-177476-26, 7-177476-28, 75235, 8-168454-25, 8-177081-40, 8-177476-20, B2858, C1307, EB858, P714, SQD15FL1, V14728

Product Description

A.O. Smith Centurion replacement motor for Pentair WhisperFlo and Challenger full rated pumps. Specifications: HP = 1.5, RPM = 3450, Voltage = 115/230, Amps = 22.4/11.2, Service Factor = 1.50, Frame = 56Y, Shaft = Threaded. *Please Note: This is the correct replacement motor for the Challenger 1.5 HP full-rated pump.
Product Specifications

Motor Name:1.5 HP B858 & B2858 Replacement Pool Motor

HP:1.5 HP

Speed:Single

RPM:3450 RPM

Volts:230/115 V

Amps:10.5/21 amp

Service Factor:1.5

Total HP:2.25 HP

Frame:56Y

Stock #:B858 or B2858

Shaft:Threaded

Overload Protector:Auto

Dimension Letter:C

Dimensions:14.4 in.

Commonly Used On:Pentair WhisperFlo and Challenger