On the technical language, the boiler indicates a storage type of the water heater. The boiler consists of a tank and a heating element, which, in fact, maintains a high temperature at a specified level. When there are problems with the supply of hot water in the house, this is the best solution to the problem. Hot water is constantly needed: for washing dirty dishes, for use of the toilet room and bathroom, for household needs. Often people are poorly referred to the method of flowing water and make a choice in favor of the boiler. So let's find out what the main difference between the boiler from the flow heating of water, what kind and volume of the water heater is suitable for you.
Cumulative water heater scheme.
Gas or electronics: cost calculation
Energy sources for a cumulative boiler are divided into two types: heating with gas or electrical appliances. We list all the advantages and disadvantages of the water heaters of the accumulative type.
Electric water heaters have a power of 1 to 6 kW, they work from a regular power grid, an additional calculation and power line is not needed.
Comparing with the electric, the power of the gas cumulative water heater begins with a 4 kW mark, it has an impressive dimension (up to 150 liters), much faster heats the water.
Without complex calculations, it can be noted that the heating of 100-150 liters of water with a gas water heater of the accumulative type will be twice as fast, rather than using the power supply.
Connection diagram of electrical water heater.
For the correct and safe installation of the water element, you will need to additionally construct chimney. The cost of the boiler model depends on the combustion chamber, internal or external. When installing the water heater with an internal chamber you will need at least strength and time, but the boiler itself will be very expensive (2 times more expensive than a boiler with an external combustion chamber).
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At this day, gas is a more economical means than electricity (the last calculation of 2019). Perhaps this is the most worthwesiest reason why the gas water heater with the accumulative system ranks first in popularity. But when it comes to buying the boiler himself, everything goes in the opposite direction. Buying and installing non-flowing water heater is too expensive, and most people go to the side of electric water heaters.
Selection and calculation of the volume of the water heater
The calculation of the volume of the tank is made so that all family members have enough water to have all their needs. Such a tank is not cheap, and the payment for electricity will increase at times, and this is undesirable for us. It is necessary to take into account the real number of space, which is not sorry to permanently give under the water heating element. And the smaller the apartment, the less the tank you install, how much do not argue on this topic.
Installation scheme of the accumulative water heater.
If you decide to install a boiler in the country, which is visited exclusively in the summer, then a 10-liter water heater will be quite consolidated. Such a quantity of water is enough to wash the dishes, wipe the floors and dust, as well as for morning water procedures. If the use of the boiler is not limited to this, then the volume should be increased. So that you can use the bathroom or shower, you can at the same time to heat about 80 liters of water. The family consisting of 3-4 people will suit the boiler, the volume of which is 120- 200 liters. The main thing is to focus on your needs and remember: the volume of the boiler, which is equal to more than 200 liters, will not justify himself in a family of 2 people.
Consider the tank from the inside: inner coating
The selection of the tank with a good anti-corrosion coating is not the lungs. It can be titanium, stainless or glass fluorforum. The service life of the boiler directly depends on the state of the inner surface of the tank (of course, the cost of the water heating element depends on the internal coating). The most popular is the coating of enamel and glass fluorofore, it is not at all corrosion and has a sufficiently low cost. The only drawback is the sensitivity to the sharp difference in the temperature regime. As a result of such a change, the appearance of microcracks on the surface is quite possible. To avoid such troubles, heat the water in a boiler to a maximum of 50-60 degrees, and once a few days put a boiler for the highest temperature to kill microbes in water.
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Water heater mounting scheme.
The most reliable invariably remain boilers with titanium spraying inside. The warranty period for such products is 7-10 years, whereas on the glass refractory apparatus - no more than 2 years. The cost of such water heaters is higher due to the fact that titanium spraying is used as protection only by firms with world fame producing household appliances.
As a protection against corrosion, the magnesium anode is located inside the boiler. Once a year, or more often, it is required to replace this protective element. His selection is carried out in specialized stores, follow the same brand of products. In stainless boilers, you can also additionally install the anode, but it is replaced very rarely.
Common myths that water heaters spoil the taste of water and that you have discomfort when cleaning the teeth, have long been refuted. 98% of the 100 respondents do not feel any tastes and impurities in such water.
Calculation of water heater power
Scheme of the device of the accumulative water heater.
The speed of water heating, of course, directly depends on the power of the device. Definitely, gas boilers cope with such a task 2 times faster than electrical analogs.
Electric heating elements, so-called tanes are often installed in an amount of 2 pieces, but their power is slightly smaller, for example, two such, but with a capacity of 0.7 kW and 1.3 kW are installed instead of 2 kW.
The water heater with two Tanans has a slight advantage:
- If you need a small amount of water, you can turn on only one TEN;
- If one tan fails, the second will replace it successfully.
Additional devices to pay attention to when buying:
- thermostat controlling the temperature of heating water;
- tank that should well hold warm;
- good thermal insulation layer;
- The thicker the wall, the better (selection on the principle of the thermos).
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If you do not have the ability to connect the water flowing system, and the dimensions of the apartment do not allow you to install a big boiler, ask the sellers about the presence of horizontal models. As a rule, they are in low demand, so you can offer custom equipment. Of course, such models are an order of magnitude more expensive, but they will justify themselves ease of use.