Patent ID: 6907905

Claim:
A manifold assembly for a hot-water heating system including: a manifold ( 10 ) including a sleeve element extending longitudinally about an axis (x), formed in one piece and having a plurality of pairs of apertures ( 11 , 12 ) distributed along the manifold, wherein the apertures of each pair are aligned transversely with each other; pairs of first and second tubular metal elements ( 20 , 30 ) engaged in the said pairs of apertures ( 11 , 12 ) in the manifold and mechanically coupled the one to the other by threaded means ( 16 ); and an annular seal element ( 19 a , 19 b ) interposed between each tubular metal element ( 20 , 30 ) and a respective surface of the manifold to provide a seal in the region of the aperture.