Domestic Hot Water Temperature Nsw

Important hot water points to remember.

Domestic hot water temperature nsw. Homes with occupants that have a suppressed immune system or respiratory disease should keep the hot water set to 140 degrees. The purpose of the tempering valve is to ensure the water coming through the hot tap in the bath vanity or shower is never higher than 50 degrees celsius. Insulate hot water pipes up to a meter from the tank outlet to help retain heat. In general many who live alone aim for a lower temperature in the acceptable range since demand for hot water is less and it saves money.

The heater can heat water up to 75 degrees and should always be set to at least 60 so as to ensure no bacteria growth in the tank. In order to achieve the 50 degree limit to bathrooms a tempering valve is fitted. Insulate your water tank where possibleto reduce heat loss. This temperature is adequate for domestic hygiene purposes and it lowers the threat of scalding related injuries.

Most domestic storage hot water heaters in australia are installed to store water at or above temperatures of 65 c. The standards state that hot water must be regulated at a particular temperature to reduce scalding 60 c is the accepted temperature for stored water and 50 c for water flowing from an outlet. That still does not address the maximum storage temperature in the hot water tank. One of the requirements of the code is that all hot water systems must have a temperature control device fitted where applicable to ensure that the temperature of hot water at the tap is not more than 50 degrees centigrade.

Under the australian standard as nzs 3500 4 heated water must be stored at a minimum temperature of 60 c to inhibit the growth of legionella bacteria 13. Turn down your hot water thermostatto below 60 c. Therefore when replacing an existing hot water heater like for like the sanitary fixture delivery temperature shall comply with as nzs3500 4 2015 heated water services clause 1 9 2 sanitary fixtures delivery temperature. From 1 july 2013 nsw has adopted the plumbing code of australia.

This highlights just how dangerous water can be over the 50 degree temperature mark even if it is only a few degrees. Water that is 57 degrees can cause a major burn within a few seconds. In the case of how hot is too hot the absolute maximum should be 50 degrees for every appliance located in a bathroom area. This not onlyreduces your water heating bill it also reduces the amount of cold water needed to cool water to the ideal temperature.

In short this mixes some cold water in with the hot water going to the taps.