Waterway Clearwater Valve Split Nut [Pre 2001 Models] (505-3010) praherplastics Matching the correct 2-3/8 inch

Matching the correct 2-3/8 inch hole-size application and slip connections helps preserve intended fit and performance

A properly working weir helps improve surface skimming by controlling how floating debris and surface water move into the skimmer throat

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

Timer motors are useful because they are the component that keeps the dial advancing so scheduled switching can occur at the intended times

Designed to hold 12 chlorine tablets

Waterway Clearwater Valve Split Nut [Pre 2001 Models] (505-3010) praherplastics Matching the correct 2-3/8 inchThe 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