The typical residential house has normally been fitted with a tempering valve device not a thermostatic mixing valve which is most prominently used in all health care facilities, schools and public places.
A tempering valve is a non-serviceable valve. Other than clearing line strainers and adjusting water temperature. The manufacture life expectancy of the tempering valve is 5 years in which this particular type of valve is fully removed and replaced.
The thermostatic mixing valve is serviceable and has no end life date unless worn or defective, which gives this valve a better return on investment and quality product that protects people peoples use.
The most recent change to the plumbing and building insurance are fully compliant continuous hot water systems which a maximum water temperature delivery of 50°C without the need of thermostatic mixing valves or tempering valves installed. This improvement or inconvenience has immediately protected the general public for from scalding but has had an adverse effect with hot water temperature at the kitchen sink for washing and cooking.
The current law as 3500 plumbing code will allow hot water not tempered if a tempering valve or thermostatic mixing valve is in place prior to any bathroom or ensuite fixtures, and the hot water industry are changing in continuous hot water systems.
There’s plenty to know and help you with your temperature at the tap, so call our office to make a booking to at least check or replace your thermostatic mixing or tempering valves!
Then, you will be sorted for life!