Waterway 3.0 HP Executive Spa Pump Wet End [2 1/2" MBT X 2" MBT] [56 Frame] (310-1500) pentairletro and this generic version is

and this generic version is designed for 6 AWG wire with a #10 stud fit in a blue format

Approximate size of 1-3/4 inches by 2-7/8 inches

this OEM faceplate cover is a practical choice when appearance and correct snap-on fit both matter

Clear labeling matters more than most people realize

Waterway 3.0 HP Executive Spa Pump Wet End [2 1/2" MBT X 2" MBT] [56 Frame] (310-1500) pentairletro and this generic version isThe Waterway 310 1500 wet end is designed for compatible 3. 0 HP Executive spa pump applications and features 2 1 2 inch MBT by 2 inch MBT connections in a 56 frame configuration. A part like this is useful because it restores the complete wet side hydraulic assembly while preserving the larger frame size and mixed connection layout of the original pump. At this power level, accurate wet end matching is especially important to maintain fit and