| 摘要 |
<p>A hot water storage tank (1) has a coiled heat exchanger (11) within a plastic housing (8). The housing has a number of apertures (14, 17) distributed around the housing (8). The housing (8) further has a riser tube (6) with a number of downward-angled outlet branches (16). The mantle (8) is located within a sleeve (10) in contact with the tank base (7).</p> |
