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The Multipoint pack U2 from Heatrae Sadia is an expansion vessel, a check valve and a pressure relief valve. The expansion vessel absorbs the water during use. The check valve prevents backflow and cross contamination of hot and cold water, and the pressure relief valve prevents damage if the expansion vessel fails.
|Name||Heatrae Sadia Pack U2 Expansion Vessel Check Valve and Pressure Relief Valve|