~Five year service kit and element replacement on Aquablend thermostatic mixing valve~
To prevent scalding, Australian law requires hot water from taps to be delivered at no more than 50°C (45°C in child care centres, nursing homes, primary schools, secondary schools and the like) at the outlet of sanitary fixtures, BUT, by Victorian State Law and Australian Standards, water in hot water storage tanks cannot be kept at temperatures below 60°C, to prevent the growth of the bacteria that causes the potentially fatal Legionnaires’ Disease.
What are we to do then?
This is where the Thermostatic Mixing Valve (TMV) comes into play.
The TMV blends hot and cold water, so that a constant and safe temperature of water is delivered to the user, whilst also allowing any stored water to remain at a temperature that inhibits the growth of bacteria. It’s an amazing piece of engineering that has no doubt, saved many, many lives.
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