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An ultra coil is a type of double-wall heat exchanger used in plumbing systems, specifically designed for efficient heat transfer. It consists of two concentric coils, allowing fluid to flow through one coil while heat is transferred to the fluid in the second coil without direct contact. Ultra coils are commonly used in solar water heating, boiler systems, and hydronic heating, providing a safe and efficient means of transferring heat. The double-wall design offers added safety by preventing cross-contamination between the fluids. Regular maintenance of ultra coils, including checking for leaks and scale buildup, ensures optimal performance and energy efficiency.

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