| 摘要 |
The manifold includes a sleeve element ( 10 ) extending longitudinally about an axis (x), formed in one piece of plastics material and having a plurality of pairs of apertures ( 11, 12 ) distributed along the manifold. The apertures of each pair are aligned transversely with each other for engaging and locking on the manifold respective pairs of tubular metal elements ( 20, 30 ) connectable mechanically the one to the other ( 16 ) and to a branch (T) of the heating system.
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