Hayward Socket Return Fitting for Fiberglass Pools 1 1/2" SKT | SP1023S C6430 providing a direct plumbing connection

providing a direct plumbing connection between the filter and the return line

Initial blue color enables visual confirmation that cement has been applied

Never use petroleum-based products — they degrade rubber O-rings rapidly

If it simply drops into the housing with no threads

Hayward Socket Return Fitting for Fiberglass Pools 1 1/2" SKT | SP1023S C6430 providing a direct plumbing connectionThe Hayward Socket Return Fitting (SP1023S) is the OEM replacement return inlet fitting for fiberglass pool plumbing installations using 1 1 2" socket (glue) connections. This fitting installs into the fiberglass shell to provide a secure, water tight return line connection, directing filtered water back into the pool. It is constructed of durable ABS material and includes the locknut and gaskets needed to complete a sealed installation against the