Safety heat exchanger (optional)
The safety heat exchanger is used to save the boiler in case of overheating. In case of electrical cutout,
pump defect etc. the boiler water temperature can be overheated.
If the boiler water temperature exceeds 95 ºC, thermostat of the safety valve lets cold sanitary water flows through the
serpantine of the safety heat exchanger. Serpantine with cold water circulating inside cools down the boiler water
temperature. When the boiler temperature decreases below the safe degree, safety valve shuts the cold sanitary
water circulation, and the boiler goes back to normal operation.
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