



| Open expansion vessel 20L 3 tappings 26x34 
 Function:  The open expansion vessel absorbs changes in water volume due to temperature changes in solid fuel heating systems. Construction: Galvanized steel 3 x 1" threaded ends Pose:  The connection must be made directly to the boiler outlet, without any control or shut-off devices between the boiler and the vessel, at the highest point of the installation. Mandatory installation of safety valves.  |  | 
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