Waterway EX2 Spa Pump Volute Faceplate [3-1/16" OD] (311-2311) tools The FC-1963 and C-6900 compatibility

The FC-1963 and C-6900 compatibility give this part practical value because cartridge filters work best when the replacement matches the intended housing and service application closely

For compatible spa air systems

and internal flow parts all need attention at once

5 HP Hi-Flo spa pump side discharge repairs

Waterway EX2 Spa Pump Volute Faceplate [3-1/16" OD] (311-2311) tools The FC-1963 and C-6900 compatibilityThe Waterway 311 2311 EX2 spa pump volute faceplate is designed for compatible applications and features a 3 1 16 inch outside diameter. A faceplate like this is useful because it restores the front interface of the volute housing, helping related pump components align and reassemble correctly during service. Dimensional details can matter in faceplate selection, especially when the goal is a clean rebuild without unnecessary modifications. This