ALPHA - Grundfos
Dec 11, 2020 · ALPHA circulators must not be used for the transfer of flammable liquids such as diesel oil, gasoline or similar liquids, and must not be used to circulate aggressive liquids such as acid or seawater. In domestic hot water systems, the temperature of the pumped liquid must always be above 122 °F (50 °C) due to the risk of legionella.
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