The AO Smith SQ1152 Pool Pump Motor is a Full Rated Square Flange style motor with a 48Y Frame and is a 230V 1.5 Horsepower Motor. Smith SQ1152 1.5HP 230V 48Y Frame Square Flange Pool Pump Motor. A. o. smith sq1152 1.5hp 230v 48y frame square flange pool pump motor square flange motors have a square face where the motor mounts to the pump with 4 non-threaded bolt holes to attach the pump and a threaded shaft.