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Heat pumps are the most effective way of heating the pool in the spring and in the autumn. They keep constant temperature of water throughout the bathing season. Once manually set, they keeps water temperature until changed or turned off.
The filtering pump draws the water through the filter to the heat pump, where, with the use of a compressor and a surface condenser, it gets heated with heat acquired from outside air, and returns to the pool re-
Installation of the heat pump saves electricity –70-