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* Preparation of hot utility water for premisses with hot water central heating using gas and solid fuels during a winter season. | * Preparation of hot utility water for premisses with hot water central heating using gas and solid fuels during a winter season. | ||
* Electric heating off the heating period is enabled with the possibility to use the low tariff of electric supply (night tariff). | * Electric heating off the heating period is enabled with the possibility to use the low tariff of electric supply (night tariff). | ||
==Common Types== | ==Common Types== |