Hot Water Temperature

(1)  Where a hot water supply is required by Article, equipment shall be installed to provide to every dwelling unit an adequate supply of service hot water with a temperature range from 45°C to 60°C.

(2)  An electric storage-type service water heater shall have a minimum set storage temperature of 60°C.

Article Ontario Regulation 332/12 Building Code,   O. Reg. 332/12: BUILDING CODE ( © Queen’s Printer for Ontario, 2021