Tempering Valve 12mm Adjustable Standard Integral Union - PlumbersHQ
  • SKU: RMC501
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Tempering Valve 12mm Adjustable Standard Integral Union

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Hot water tempering

Tempering Valve is a temperature control valve that mixes hot water with cold water to deliver blended water at a constant temperature throughout an entire house, building or system.

A tempering regulator (such as these valves offer) are now mandatory with all water heater installations.

They accurately control the maximum temperature of water delivered to the users. This is essential to eliminate the risks of scolding by preventing superheated water being delivered.

Theses valves are fitted with strainers and non-return valves.


Body Forged Brass

Internal Components DZR Brass

Features and Benefits

-Mixes hot and cold water to deliver blended water

-Accurately controls the maximum temperature of delivered water

-Can be installed on water heater systems to prevent superheated water being delivered

-Tamper-proof adjustment with special adjuster key eliminates chances of accidental adjustment

-Dezincification resistant

-Meets Australian Standard for potable water supply

-Every valve is individually tested and calibrated to ensure higher quality and performance

Operating environment

-Cold water supply temperature 5°C to 30°C

-Hot water supply temperature 60°C to 90°C1

-Optimum outlet temperature range 40°C to 50°C

-Set temperature Must be commissioned on site to achieve desired outlet

-Accuracy of outlet temperature ± 3°C (40°C and 50°C)

-Minimum temperature differential (between hot supply and outlet temperature) 15°C

-Supply pressure (static) 1600kPa maximum

-Supply pressure imbalance, dynamic (at time of commissioning) 2:1 maximum

-Maximum permitted pressure variation in either supply, in order to control outlet temperature to ± 3°C (from supply pressure at commissioning) ± 10% maximum

-Minimum flow rate 4 L/min


Plumbing Code of Australia, associated reference standards as applicable at the time and AS/NZS 3500.1.

For applications outside the requirements of AS/NZS 3500 and AS 4032.2, it may be possible to set the valve accordingly. Contact manufacturer for guidance.

Watermark is applicable on these valves and has been attained

By law, only a Licensed Plumber can install hot water heaters and their valves, as they form part of the water system.