Is the zero cold water gas water heater really easy to use? Zero cold water gas water heater is a new type of water heater, which can be heated as soon as it is turned on. Compared with traditional water heaters, there are still few families with zero cold water gas water heaters. I'll see if the zero cold water gas water heater really works if it is to be installed. Can be used as a reference.
Is the zero cold water gas water heater really easy to use? 1 zero cold water heater sounds beautiful, but it is not so ideal when used in real life. The advice to users is the same as that of hot water circulating pump: if the water point is too far away from the water heater (more than 15m), you can choose this water heater; If the distance between them is short, there is no need to install them-the zero-degree cold water gas water heater may encounter the following three problems in use:
1, dependence on return pipe
* * * There are two schemes, one with water pipes and the other without water pipes (each zero-cold water heater supports both schemes at the same time).
Among them, the scheme of not bringing back the water pipe is not ideal to use-using the cold water pipe used by * * * to return water, on the one hand, it is possible to let hot water enter the cold water pipe, and the materials of the cold water pipe and the hot water pipe are different (only possible, depending on the choice of decoration), and the cold water pipe cannot contain hot water; It is also possible to release hot water with cold water, especially when taking a bath. Sudden hot water may affect the temperature adjustment of the water mixing valve.
On the other hand, the water in the water heater will not be very clean, and long-term use of the water heater will be full of bacteria and scale. Such water entering the cold water pipe may pollute the cold water pipe-the water we eat comes from the cold water pipe.
2. Increased energy consumption
Don't start the circulating pump until the water is used up. It is too late. In order to allow users to use hot water at any time, the zero-cooling water heater will set up an automatic cycle of time-generally every 45 minutes by default.
Whether we need water or not, the circulating pump and water heater will be turned on regularly. This practice consumes electricity and gas, which is very environmentally unfriendly.
It is precisely because of this that many users who have bought zero-cold water heaters are always reluctant to turn on the zero-cold water function (there is no mine at home, and they are generally reluctant to turn it on all the year round).
3. Zero cold water ≠ 100% hot water
It says that the water heater circulates every 45 minutes-during these 45 minutes, the hot water in the pipeline will slowly cool down. You know, the pipeline is not insulated, especially in winter, the water in the pipeline will still be very cold.
Therefore, even if the circulation device is used, the water in the pipeline cannot be guaranteed to be the same as the set water temperature. If you wash your hands and face, you need less water. At least it's not cold water in the pipeline. It can be used quickly.
But if it is a bath, the water temperature put first is definitely different from that put later. Maybe the hot water came out just after you adjusted the water temperature in your front foot, so you need to adjust it again.
Is the zero cold water gas water heater really easy to use? Is it better to use two pipes or three pipes for zero cold water gas water heater?
As early as 20 10, domestic brand water heaters introduced zero cold water function. There are two main types of zero-cold water technology today: type II and type III. Two kinds are more common in Europe and America, and three kinds are mostly in Japan and South Korea, but two kinds of zero-cooling water heaters are available in our market. Among them, Haier is the representative of the three-tube zero-cooling water heater.
The double-tube zero-cooling water heater is equipped with two water pipes: a water outlet and a water inlet. When water and backwater circulate, they all pass through the circulating pump. Especially when the backwater function does not need to be turned on, the circulating pump becomes the resistance of water inflow, which makes the water pressure that is not big enough smaller, resulting in small water flow and greatly reduced the use experience. If you choose zero cold water, you have to endure smaller water flow, and "taking care of one thing and losing another" has become a headache for many users of zero cold water.
The three-tube zero-cooling water heater is equipped with an independent return pipe, and the circulating pump of backwater is installed there, which will not affect the original water pressure flow, and the water volume will not be attenuated, so the use experience is better. The gas water heater equipped with three-pipe zero cold water technology can be used within 7 meters. According to the usage habits, you can choose all-day, morning and evening, and single cycle mode.
Because zero cold water is only popular in recent years, most consumers are not clear about the classification of zero cold water, so it is very troublesome when choosing.
For consumers, there is another important factor to consider when using water heaters: safety. After more than 30 years of development, the safety of gas water heaters has been upgraded many times. According to the reporter's investigation, the safety technology of gas water heaters in China market has been leading, which can completely eliminate the potential safety hazards caused by carbon monoxide. However, most of these technologies are owned by some brands with strong R&D strength in the market, and there is a big gap between brands.
Simply put, safety technologies and functions can be divided into three categories: one is to improve the combustion efficiency of gas combustion and reduce the generation and emission of toxic gases from the source; The second is that after the toxic gas is produced, it is not discharged from the machine, but immediately transformed inside the machine, transforming the toxic gas carbon monoxide into carbon dioxide that is completely harmless to the human body, and then discharged into the air; The third is to monitor and alarm the toxic gas discharged indoors, and start the fan to discharge it outdoors.
At present, the products on the market, most of the safety technologies are the third category, that is, when the toxic gas reaches the dangerous value, it will give an alarm and remove it. However, only a few brands of products adopt efficient combustion technology, such as Haier's oxygen-enriched blue flame combustion technology, which won the national excellent patent award. Haier has also become the only brand in the industry to win this honor, which shows that this technology is leading and practical, as well as recognized by the state and industry. To the satisfaction of consumers, all Haier gas water heater products are equipped with this technology, which has a wide range of selectivity.
With the continuous improvement of living standards, consumers' pursuit of quality life is becoming more and more obvious. In the process of decoration, the choice of gas water heater only pays attention to cost performance and comfort, such as constant temperature, zero cold water and large water volume, but how to buy it still needs consumers' rational judgment. In addition to purchasing and designing pipes in advance, we should also consider the decoration characteristics and service life of water heaters. In the long run, try to choose long-term outdated products to avoid the trouble of frequent replacement.
The above is about whether the zero cold water gas water heater is really easy to use. I hope it helps.