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Regulatory Requirements for Controlling Water Temperature in Bathrooms

Regulatory Requirements for Controlling Water Temperature in Bathrooms

This Summary Bulletin relates to the safe provision of heated water in the people’s bathrooms for washing and bathing through the installation of temperature limiting devices. A number of regulations and requirements are in place around the storage and delivery of heated water in a residential setting because of two public health concerns: the risk of scald burns in water delivered too hot and the risk of microbial presence (particularly legionella) in heated water stored at temperatures too low. An analysis of Australian Standards and regulations indicate that temperature limiting device options for use in people’s homes include: thermo-static mixing valve, tempering valve, or a hot water system compliant with AS 3498.

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