Waterway 4.0 HP Hi-Flo Spa Pump Side Discharge Wet End [2" MBT x 2" MBT] [48 Frame] (310-1160SD) airbuttons and four are required for

and four are required for the complete set

A major replacement like this is especially useful when the damage is too central for smaller service parts to fully address

This Waterway part is especially useful when the original 3

or 14 volt output

Waterway 4.0 HP Hi-Flo Spa Pump Side Discharge Wet End [2" MBT x 2" MBT] [48 Frame] (310-1160SD) airbuttons and four are required forThe Waterway 310 1160SD wet end is designed for compatible 4. 0 HP Hi Flo spa pump side discharge applications and features 2 inch MBT by 2 inch MBT connections in a 48 frame configuration. A part like this is useful because it restores the complete wet side hydraulic assembly while preserving the original side discharge format, frame size, and plumbing layout. In higher horsepower spa systems, replacing the full wet end can be a practical alternative