Water-Heating Facilities. Where hot water is provided, water-heating
facilities shall be installed in an approved manner, properly maintained,
and properly connected with hot-water lines to the fixtures required
to be supplied with the hot water. Water-heating facilities shall
be capable of heating water to such a temperature as to permit an
adequate amount of water to be drawn at every required kitchen sink,
lavatory basin, bathtub, shower, and laundry facility or other similar
units, at a temperature of not less than 110° F. (43° C.).