Multiple manifolds can be joined together to create one large manifold with the exact number of outlets that you need. Manifolds can be combined using a standard 1" copper coupling. When in doubt, it is always better to have an extra outlet (and plug that loop) than to not have enough. If you will ever need to add lines in the future, simply remove the plug and the manifold will function properly with the new loop.
Uponor plumbing supplies such as ProPEX Manifolds can be found at www.supplyhouse.com
Uponor plumbing supplies such as ProPEX Manifolds can be found at www.supplyhouse.com
