Waterway Lo-Profile Drain Assy [3/4" S SB] (640-0427) surfacemaintenance A directional internal is useful

A directional internal is useful because it helps guide the water stream through the jet face

Useful when original cartridges are spent or worn

When the interface starts to fail

Waterway 2013 Hi-Flo II Pump Wet End [1 HP 2" In/Discharge] (310-7720SD) is a Waterway Plastics pump wet end assembly for restoring the hydraulic side of a compatible pool or spa pump

A clamp ring at the tank body is useful because it helps secure major sections of the assembly together

Waterway Lo-Profile Drain Assy [3/4" S SB] (640-0427) surfacemaintenance A directional internal is usefulWaterway Lo Profile Drain Assy [3 4" S SB] (640 0427) is a Waterway Plastics drain component made for pool, spa, or bath water management applications. Drain parts play an important role in helping water move properly through the system while maintaining a clean, finished installation at the surface or plumbing connection point. This replacement part is useful when servicing damaged drain covers, grates, frames, or low profile drain assemblies.