How does a Watts tempering valve work?
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Solution: Watts Thermostatic Tempering Valves maintain and limit the mixed hot water to a desir- able, selectable temperature allowing for the storage of domestic hot water at the higher temperatures necessary to reduce the risk of Legionella growth in the system .
How do you adjust the wattage on an anti scald valve?
To adjust the setting of the valve, loosen locking cap screw with hex wrench, see Figure 2. Cap must be lifted 1/4” to adjust temper- ature. To increase the tem- perature, turn counterclockwise. To decrease temperature turn clockwise.
Can you adjust hot water tempering valve?
CAN YOU ADJUST A TEMPERING VALVE? The answer is Yes. A tempering valve can be adjusted by setting the desired temperature with the adjuster on the tempering valve.
What temperature should my tempering valve be?
A hot water tempering valve can be adjusted by 2-inlet mixing, through which water temperature is moderated by mixing cold water and hot water. Here, the tempering valve aims to achieve a temperature of 50-degrees. This decreased temperature is dispatched from the shower heads and taps.
How does a hot water tempering valve work?
For something that can control hot water temperature, tempering valves are quite simple in how they work. They are a three-way mixing valve. One allows hot water in, a second pulls cold water in from the water supply, and the third is the exit for the 50°C water.
Does a tempering valve reduce pressure?
Tempering valve – Tempering valves are installed to regulate the temperature of the hot water in your home. It mixes hot and cold water to feed the water at a reduced temperature to the water outlets. Any issues with the tempering valve can lead to reduced water pressure or a lack of hot water supply.
How long should a tempering valve last?
5-8 years
Like any other plumbing fixture, tempering valves don’t last forever, with a lifespan of 5-8 years. Fortunately, identifying when something’s wrong with one of yours is fairly straightforward. If your water is coming out far too hot, chances are your valve is malfunctioning and it needs to be replaced.
How do you adjust the temperature on a tempering valve?
To adjust the mixed outlet temperature of the tempering valve the cap should be removed > to gain access to the adjusting spindle. Using the special tool moulded into the top of the cap rotate the adjusting spindle to achieve the required temperature.
What is the difference between a tempering valve and a thermostatic mixing valve?
A tempering valve is accurate to around 3℃ +/-, while a thermostatic mixing valve can keep the water to 1℃ +/- and responds faster than a tempering valve to changes in incoming water temperature.
What is the temperature limit on a hot water valve?
These valves can also be used for re-circulation systems to maintain domestic hot water supply temperatures at levels (temperatures above 55C (131F) that prevent the growth of harmful bacteria such as Legionella. It is important that a boiler’s high temperature limits do not exceed the maximum temperature rating of the system components.
What is a mixing valve on a water heater?
Mixing Valves. Mixing valves are designed to blend hot water with cold water to ensure a constant, safe outlet temperature. They are utilized in residential, commercial, and institutional applications where controlling water temperature is critical to avoid scalding, thermal shock, and Legionella growth.
What temperature should a hot water heater be set at?
These valves should never be set to exceed a maximum temperature of 49C (120F). (Watts recommends the maximum temperature of 43C (110F) for shower and bathing fixtures.)
How do you control the temperature of a hot water supply?
The control of water temperature for the source of supply should be controlled by ASSE 1017 listed mixing valves. These valves can also be used for re-circulation systems to maintain domestic hot water supply temperatures at levels (temperatures above 55C (131F) that prevent the growth of harmful bacteria such as Legionella.