Hot Water System Tempering Valve

In the late 90 s regulators decided to make fitting tempering valves on new or replacement hot water systems mandatory.

Hot water system tempering valve.

It works as a mixing tool as it combines both cold and hot water to correctly produce the required water temperature to be released from a particular outlet. How a tempering valve works. The average temperature for a domestic hot water system is set between 60 70 c by australian law it cannot be set below 60 c. Having your tank this hot helps prevents the growth of harmful bacteria s such as legionella.

What is a tempering valve. The valve works by blending the hot and cold water at a ratio that is adjustable and then being piped to the bathrooms or house. By isolating the incoming water on both sides of the valve and simply removing the obstruction or particulates maybe enough to restore correct operation. In queensland you must install a tempering value if you are replacing a hot water system.

Tempering valves must be installed on new hot water systems so that your hot water complies with australian standards as 3500. The hotter the water the more chance of scalding. Quick link temperature control. Tempering valves mix hot water with cold water to deliver hot tap water at a safe temperature.

Thermostatic mixing valves respond faster to temperature and pressure variations than tempering valves. The tempering valve is installed at the outlet of the hot water storage tank and its output is then piped out to the hot water distribution of the facility. There are several types of tempering valves in use today. A hot water tempering valve is a temperature activated 3 way mixing valve used to temper a hot water supply by mixing in cold water with the hot water delivering reduced temperature water decreased scalding risk and improved safety.

They are all 3 way valves meaning that they have two inputs hot and cold water and one output tempered hot water. A tempering valve is one of the best ways to ensure people are not harmed or scalded by hot water when it comes out of a faucet. A tempering valve is a 3 way mixing valve which is temperature actuated and used to temper a heated water supply by mixing the heated water with cold to feed heated water at a reduced temperature to the taps around your home. A common cause of water temperature fluctuation in the house or at a fixture is a blocked or partially blocked tempering valve.

This legislation requires hot water to be set at a temperature to minimise the risk of scalding.