What Are Manifolds in Heating Systems?


Quick Answer

Manifolds in heating systems are groups of pipes used to direct water from one source to multiple sources. A manifold helps heat individual areas in a home from one programmable thermostat. The manifold allows hot water to travel through PEX tubing via a re-circulating water pump to different areas.

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Full Answer

Manifolds can save on costs and improve installation time by more than 40 percent. They can reduce leak potential and provide effortless entry to inaccessible joints. Aside from improving and simplifying the installation process of various heating systems, manifolds offer improved control and functionality. Moreover, a manifold allows the user to perform multiple functions from a central location. These useful functions include temperature control, filling, flow, hydraulic balancing and isolation. Improved control and functionality also help reduce the amount of time associated with the installation, maintenance and commissioning process.

Use of a manifold creates independent flow throughout the system and allows return circuits to each individual radiator. This feature makes controlling the energy requirement of each radiator considerably easier. Additionally, manifolds placed in a central location can improve how quickly the last radiator on the ring circuit receives hot water. This is effective for eliminating the age-old issue of one radiator generating heat before another.

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