Connecting and venting device for use with safety valves in domestic water appliances or systems, has communication passages provided between tubular elements, where tubular elements respectively include vent holes
摘要
<p>The device (1) has a tubular element including an upstream part (5) connected to an upstream duct (3) and a downstream part (10) connected to a downstream duct (4). Another tubular element (17) comprises an upstream part (18) coupled with the former tubular element and a downstream part (21) connected to the downstream duct. Communication passages (27) are provided between the tubular elements. The former tubular element and the latter tubular element respectively include vent holes (13, 24).</p>
