But plastic is much easier to connect with plastic, and it is much simpler to connect an entire plumbing system of plastic to an entire plastic manifold. Also frozen plastic tubing is much weaker than copper, and so leaks and burst tubes in the winter may be an issue. This may result in burst tubing, or leakage, which will require the manifold to be repaired. If left in sunlight, like rubber, plastic will crack. Plastic manifolds are much more versatile than copper, and often cheaper.
But copper is a much stronger metal, and will last longer, if treated appropriately.
#Plumbing manifold install#
Furthermore, for copper manifolds, it is necessary to install gate valves to control the flow of water. These fittings, being copper, are pricier than plastic. As well, because most tubing is PEX, fittings will be required to connect, the two, as well as fittings for copper to copper connections. But, being a metal, copper is far more susceptible to corrosion, which can lead to cracking in the pipes, than plastic. This makes the likelihood of replacement and repair much less. Copper generally is more expensive, but can resist the pressure spike that results when, for example, a pipe freezes, much better than a plastic pipe. The deciding factor in the question, plastic or copper, is generally that of cost in proportion to quality.Ĭopper manifolds are far sturdier than plastic manifolds, they are less likely to crack under pressure, and they can stay undamaged when installed in a location that is directly exposed to light. This makes a plumbing system much more easily maintained, the pressure controlled throughout the system, and leaking lines easily shut off and repaired. Essentially all water enters the manifold and is sent off where it needs to go at the manifold. Here hot and cold lines of water connect and are directed where they need to go, be it fittings or appliance. It essentially connects the system in a fixed location that serves as a control box. Regardless of being made of copper or of plastic, a plumbing manifold functions as a control valve central to a plumbing system.
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