If the super fast kettle is used to heat hot water for drinking or cooking purposes, then the device called a hot cold dispenser also provides the same effect. They are usually installed in toilets, bathrooms, to provide warm or hot water for other activities, personal hygiene of people. When installing a hot cold dispenser, not only the shower area but also the washbasin, kitchen sink or other water faucets in the house will be supplied with hot water when needed.
The usage is very simple, users just need to turn on the dispenser for about 15 – 20 minutes. At this time, the electrical system will gradually heat up the water to the predetermined temperature, and when it reaches the set temperature, the relay will automatically cut off the power supply to the heating element to maintain the hot water at the temperature that has been set by the manufacturer. And when the water temperature drops to a certain level, it will make the thermal relay close the circuit to continue boiling the water. This operation will continue and repeat to maintain the hot water in the dispenser to serve the needs of users.
The hot cold dispenser is a familiar device in many households
Because of its easy usage and functionality, the hot cold dispenser is considered an essential device in every household. However, few people pay attention to the periodic checking, cleaning, and maintenance of the dispenser. The following video posted on social media by a user shows how the inside of a long-unused dispenser can look like.
From the video, it can be seen that it is not as clean as many people think. The part being taken out by technicians is actually a part of the core of the dispenser. This rod is tightly attached due to a thick layer of dirt. Even after watching this video, some people commented that if they just skimmed through it, they would never be able to imagine what it looks like inside a hot cold dispenser.
The core of the hot cold dispenser is taken out, shocking homeowners by the condition inside the device
Consequences of not cleaning and maintaining the hot cold dispenser
According to experts, not cleaning and maintaining the hot cold dispenser for a long time not only affects the device’s performance but also affects the quality of household water. It also wastes electricity, and even poses a risk of dangerous fire accidents.
For example, in the video, the dirty part is the heating rod of the dispenser. This part is the main tool for heating water according to people’s needs. Being covered by a thick layer of dirt makes the dispenser less efficient in heating and boiling water, causing higher energy consumption. This heating rod and a magnesium rod inside the dispenser can be even more severely affected if the household water is not clean.
Especially, electrical engineers also advise that if the magnesium rod inside the hot cold dispenser is corroded and not replaced in time, the risk of fire is very high.
The magnesium rod of the hot cold dispenser should be replaced in time
When should you clean and maintain the hot cold dispenser?
According to experts, users should clean and maintain the hot cold dispenser annually. In areas with poor water quality, water with a lot of impurities, maintenance can be done more frequently, about every 6 months.
However, if the hot cold dispenser shows the following signs before the maintenance time, users should also pay attention to check it in time. This includes serious rust on the parts of the dispenser, especially the connecting wires, unusual noise from the dispenser, water leakage, or insufficiently hot water.
For the most effective and safe cleaning and maintenance of the hot cold dispenser, it is best to call professional technicians. For families who want to save costs, they can also do it themselves, but remember some notes about the steps as follows:
– Completely turn off the power to the device, and remove the thermostat relay from the dispenser.
– Clean the outer shell of the dispenser with a clean cloth. Completely dry it before plugging it back in for use.
– Drain all the water in the dispenser before cleaning the dispenser.
– Do not scrub the dispenser too hard and do not use too many chemicals.
– After cleaning the dirt on the walls and the bottom of the dispenser, re-rinse with water to ensure that even small stains and residue are washed away.
The hot cold dispenser should be disassembled for cleaning and maintenance regularly
According to experts, not only the overall device but also some parts of the hot cold dispenser need special regular maintenance. The first is the temperature and pressure relief valve (TPR). This device allows water vapor to escape from the dispenser in case the temperature or pressure inside exceeds the safe limit, operating similar to a tea kettle.
They will open if the temperature exceeds 210 degrees, or if the pressure reaches 150 psi (pound/square inch). This means that if the TPR valve is faulty, your water heater can explode due to excessive temperature or pressure. Therefore, make sure the valve is always working properly by regularly checking the TPR valve at least twice a year. Next is the magnesium rod, which is responsible for preventing corrosion inside the dispenser. It should be replaced about every 2 years.
After the above information, it is hoped that households will pay more attention to the regular cleaning and maintenance of the hot cold dispenser – a familiar device in every bathroom/toilet. This not only helps the device operate durably, save energy but also protects user’s health and safety.
According to Trí Thức Trẻ
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