We cannot ship this product to California, under Title 20 CCR section 1605.3(g)(5)Product Type: PSC (Permanent Split Capacitor)HP: 3/4RPM: 3450Volts: 115/208-230Amps: 6/5.6/11.2Hz: 60Phase: 1Frame: 56YEnclosure Type: ODP (Open Dripproof)Mounting: Square FlangeMotor Diameter: 6-1/2"Shaft Diameter: ThreadedRotation: CCW Pump EndNumber of Speeds: 1Service Factor (SF): 1.67Bearings: BallThermal Protection: AutomaticMaximum Ambient Temperature: 50° CInsulation Class: FDuty Cycle: ContinuousCapacitor: IncludedB2661 is listed in Century's cross reference as a possible substitute for the following: Century 168919, Jacuzzi 90106915, Century 193991, A.O. Smith K48K2P101A1, Century 165890, Emerson EB661, Emerson SQD75FL1E, Franklin 16358, GE C1447, GE C1499, Sta Rite AE100DH, Sta Rite AE100DHL, Sta Rite AE100EL, Sta Rite AE100ELL, Dayton 1K052, Franklin 11801, A.O. Smith B661A, A.O. Smith C48D62A04, A.O. Smith QC1072, Century 165198, Century 177120, Century 177449, Century 177939, Century 177976, Century B661, Century B863SE, Franklin 1203165411, Franklin 1203165412, Franklin SQ207E, Franklin SQ210UE, Dayton 2K443, Pac Fab 35-5391, Pentair/Purex 355391, Pentair/Purex 71313"1081" Design