Domestic Hot Water Temperature Regulations Canada

Read minimum system storage capacity from column 4.

Domestic hot water temperature regulations canada. Set the temperature of your water heater to 49 c 120 f to prevent the growth of harmful bacteria such as legionella. Where water is supplied at high temperature from any source there is a danger of scalding to building users. However water at 60 c can cause third degree burns in most adults in six seconds. Read expected three hour demand from column 3 for either 40 or 60 f inlet temperature.

The hot water supplied to bathtubs and whirlpool bathtubs shall be limited to a maximum temperature of 120 f 49 c by a water temperature limiting device that conforms to asse 1070 or csa b125 3 except where such protection is otherwise provided by a combination tub shower valve in accordance with section 424 3. Be sure storage capacity of system selected is no less than shown in column 4 table a. For many years that temperature has been the standard. They damage all layers of the skin.

Hand washing basins that are accessible to residents should have a hot water temperature of 49 c or less. Consult appropriate availability table for equipment selection. The ontario building code hot water temperature 9 31 6 1. Consequently osha recommends the minimum water heater outlet temperature in residential systems to be set at 130 degrees f to produce a faucet temperature of at least 120 degrees f.

Several countries around the world including canada and many in europe have adopted regulations requiring water to be stored at a higher temperature and delivered at 120 f or lower. The maximum hot water temperature discharging from all fixtures that clients use or contact should be 49 c or less. For combined heating hot water and domestic hot water systems when the heating hot water system exceeds 140 f the ipc code requires a temperature actuated mixing valve conforming to asse 1017 to limit the domestic hot water temperature to a maximum of 140 f. In most canadian homes hot water heaters are set at 60 c 140 f.

Hot water requirements apartment. Where hot water is provided from storage building regulations require a storage temperature of 60 c and a circulating temperature of no less than 55 c to prevent the development of legionella or similar pathogens. The legionella disinfection range is 158 176 f. These mixing valves should be set to allow a hot water temperature of 49 c 120 f.

Clinical staff should ensure a bathing showering temperature of 38 c to 43 c. Prevent scalding by installing automatic mixing valves on faucets showers and tubs or an anti scald mixing valve on your water heater. Third degree burns are the most serious kind. However there is less danger of bacterial growth in smaller domestic hot water tanks.