A tempering valve mixes hot water from the storage tank with cold water to deliver a safe temperature at bathroom taps — typically 50 degrees Celsius. It is mandatory on all new hot water systems in Victoria to prevent scalding injuries.
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Frequently Asked Questions
What are signs of a faulty tempering valve in Melbourne?
Signs include water temperature fluctuating significantly at bathroom taps, hot water suddenly running cold mid-shower, water much hotter or cooler than expected, and visible corrosion or leaking at the valve body.
How long does a tempering valve last in Melbourne?
Tempering valves have a service life of approximately 5 to 10 years. They should be replaced when the mixing cartridge fails, when the valve body is corroded or leaking, or when a new hot water system is installed.
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