| 摘要 |
A sealing, insulating connecting fitting for connecting the pipes (18) of a heat exchanger, arranged in a hot water reservoir, to feed and discharge lines outside the hot water reservoir has a lock nut (30) on the pipes (18), which both engages in a sealing fashion with the wall (10) of the hot water reservoir by means of seals (52, 54, 56) and interacts sealingly by means of a sealing surface (50) and a seal (26) with an insulating connecting piece (16) for the purpose of feeding or discharging. <IMAGE>
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