Pentair Sta-Rite U-3 Skimmer Complete 2" NPT w/Float & Check Valve (08650-1403) littlegiant That makes the union design

That makes the union design a practical advantage beyond simple replacement

This kind of replacement is especially useful when the rest of the wet end remains serviceable and the issue is centered on the wear surface itself

Replacing this assembly can improve coverage

Useful when original eyeballs are worn or imprecise

Champlain Olympic wide mouth skimmer faceplate

Pentair Sta-Rite U-3 Skimmer Complete 2" NPT w/Float & Check Valve (08650-1403) littlegiant That makes the union designThis complete Sta Rite U 3 skimmer assembly uses a 2 inch NPT connection and includes float and check valve features for compatible pool installations. A full skimmer assembly is often selected for new construction, major repair, or replacement of a damaged body. The float and check valve design helps support proper skimmer function and protection during changing water levels or suction conditions. 2 inch NPT configuration for compatible plumbing