Waterco 2-1/2" BT x 2" S Union Adapter (63406550BLK) inletoutlet That combination makes this barrel

That combination makes this barrel especially appealing in spas where visible trim details contribute a lot to the overall impression of quality and care

1/8 inch MPT connection for compatible installations

Waterway union tailpiece

The body assembly is useful because it forms the structural and functional center of the valve

An adapter like this is useful because it helps different plumbing formats work together cleanly while preserving the intended serviceable union-style connection

Waterco 2-1/2" BT x 2" S Union Adapter (63406550BLK) inletoutlet That combination makes this barrelThe Waterco union adapter is designed for compatible plumbing systems that need to transition from a 2 1 2 inch buttress thread connection to a 2 inch slip connection. An adapter like this is useful because it helps different plumbing formats work together cleanly while preserving the intended serviceable union style connection. This replacement is especially useful where one side of the assembly requires a threaded union interface and the other side