Waterway Clearwater Valve Split Nut [Pre 2001 Models] (505-3010) praherplastics A header like this is

A header like this is useful because it helps manage the water path through the heater while supporting proper assembly structure and sealing

A wet end like this is useful because it restores the complete hydraulic side of the pump while keeping the original side discharge layout

Designed for LP IID heater applications

5 amp specification

or shows wear at the sealing surfaces

Waterway Clearwater Valve Split Nut [Pre 2001 Models] (505-3010) praherplastics A header like this isThe Waterway 505 3010 Clearwater valve split nut is designed for compatible pre 2001 models. A split nut like this is useful because it helps secure and connect valve related components in assemblies that require this earlier style of hardware. Older model service often depends on version specific parts, and using the correct split nut can help avoid fit issues during reassembly. This Waterway part is a practical replacement when the original pre 2001