Hot Water Tempering Valve Nz

Hot water cylinders are set at a minimum of 60 degrees in order to kill bacteria. A tempering valve keeps the tank hot enough to stop bacterial growth 60 c and provides a lower hot water tap temperature 50 c to help reduce the risk of accidental scalding. The new zealand building code states that in the home the maximum water temperature at the tap for showers baths and handbasins is 55 c so you may need a tempering valve installed.

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We repair sell and install hot water cylinders new zealand wide.

Hot water tempering valve nz. Mixing and tempering valves are designed to blend hot water with cold water to ensure a constant safe outlet temperature. Find the technical information here and call us for more information on 0800 429 546. Prior to adjusting the tempering valve it is necessary for the hot water heater to be switched on and delivering hot water at the recommended temperature. You can buy as nzs 3500 4 from the standards new zealand website.

When water drops below this temperature the likelihood of a person becoming sick from using the water increases. Ensure that the water heater has reached the set temperature before. The use of tempering valves ensures the safety of hot water users independently of the water stored in the hot water cylinder. Length of exposure and.

A hot water mixing valve maintains a high tank temperature whilst simultaneously providing more tepid water for taps with the temperatures specified by tempering valve regulations. This mixes enough cold water with the hot water to keep it at a temperature which reduces the risk of scalding. It takes 22 seconds to obtain a full thickness burn with 55 degrees c hot water. Unbeatable prices with unmatched services 0800 429 546.

Hot water tempeature at the tap bath sink tub shower must be 55 c or less. The ideal temperature setting for your hot water cylinder is 60 c to kill bacteria any higher is a waste of energy. They are utilized in residential commercial and institutional applications where controlling water temperature is critical to reduce the risk of scalding thermal shock and legionella growth. New zealand building code requires that the maximum hot water temperature at the tap shall be 45 c or less for childcare centres schools homes for the elderly and similar facilities.

If the water heater has an adjustable thermostat it is recommended that the thermostat be set to 65ºc. New zealand anti scald hot water cylinder storage codes regulations. One common practice to reduce the chance of scalding is installing a tempering valve on the hot water pipe from the storage water heater. A tempering valve is fitted to the hot water outlet pipe coming from the hot water cylinder so the water has been heated enough to kill bacteria.

Something to think about adults it takes 1 second to obtain a full thickness burn with 65 degrees c hot water. Want to know how hot water cylinder valves and controls work.