Standalone Heat Exchangers are a very effective and economical method of heating your swimming pool. Providing your domestic household energy source is sufficient, they utilise this heating system to transfer the heat to your pool water when not required by the house.

The heat exchanger has an outer shell that contains a multitude of small-bore tubes. The hot water from the house boiler circulates between the heater shell and the tubes; the pool water flows through the tubes and is heated by them. The two waters do not mix.

The water from the house heating comes through pipes, which are connected to the heat exchanger and the pool water thermostat controls the pool temperature.

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When the desired temperature is in excess of the actual pool water temperature, a small heating circulation pump turns on and draws water from the central heating system. This flows on to the heat exchanger where is loses heat to the pool water; returning to the boiler some 4-5 degrees C cooler. The house boiler will continue working. When the temperatures are equal or when the actual water temperature is in excess of the desired level, the heating circulating pump is turned off; the house boiler is then not cooled down an turns itself off when it reaches its running temperature.