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Circulation pump

Circulation pump

There has to be a constant water circulation in the external heater while heating it. If the heater has been installed in a way that this kind of circulation is not guaranteed, one must use a circulation pump to create the necessary constant flow of water. The pump can create flow only if there is enough water in the hot tub so make sure that both of the flanges are covered with water before you start heating. If there is no circulation of water while heating the heater may melt.

Power: 250 W