Balboa 50A 5 Position Terminal Block (21137) americanpool Helps restore proper return-side water-routing

Helps restore proper return-side water-routing support

Useful when general tools risk slipping or damaging trim

For compatible rigid-branch plumbing systems

the jet area feels easier to adjust and more satisfying to use

Waterway CrystalWater bulkhead fitting

Balboa 50A 5 Position Terminal Block (21137) americanpool Helps restore proper return-side water-routingMaintaining a spa at home is easier when you can address issues one step at a time. Balboa 50A 5 Position Terminal Block (21137) is built to handle one of those steps effectively. Instead of letting a small issue grow into a larger problem, replacing the right part early helps keep everything running smoothly. Designed for compatibility with specific systems, it helps streamline installation and reduce uncertainty. After installation, the system