| 摘要 |
It is used to reheat a secondary fluid such as pool water or sea water. It comprises a body provided with an inlet for the secondary fluid to be reheated and an outlet for the reheated fluid, a sleeve inside the body, a coil in which the primary fluid circulates and which is housed inside the annular space between the body and the sleeve and outside of which the water to be reheated passes. The body (1) and the sleeve (8) are made of a plastic-based material, either reinforced or not, and the coil (10) is made of titanium.
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