Working days are defined as mondayfriday

Working days are defined as monday-friday 8am-7pm inclusive, excluding saturday, sunday and public holidays. This type of system is not right for all households, however you can only use the heated water for one task at a time, so if somebody turns on a kitchen tap while the shower is running, the shower will run cold this means that larger households with more simultaneous activities going on may struggle with a combi-boiler.

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