2023 Author: Philip Bishop | [email protected]. Last modified: 2023-08-03 19:28
Regardless of how water enters our home for domestic needs, whether it is a city network or an individual source of water supply (well, well), it has a certain hardness. Namely, chemical compounds of alkaline earth metals are dissolved in it. These salts are able to collect in stable forms. High temperature acts as a catalyst for the process of their crystallization. As a result, scale is formed in the water heater, plaque in the electric kettle and in other devices that use water heating using thermoelectric heating elements (TENs).
Signs indicating that the boiler has not been descaled for a long time are:
- Increase in the period of heating the water volume;
- The emergence of extraneous noise during operation;
- The monthly energy consumption increases significantly;
- The liquid temperature does not reach the indicator set on the thermostat;
- The safety valve is frequently triggered, indicating unauthorized overheating.
Periodic maintenance of water heaters can be performed independently; this requires a clear understanding of the work algorithm. First, it is necessary to disassemble the device, having previously disconnected it from the power supply and the water supply system. It should be taken into account that the outlet pipe cannot provide the maximum liquid outlet when cleaning the storage water heater, this is due to the fact that hot water is drawn in the water tank from the top. Therefore, emptying is carried out through the cold water supply. The safety valve is screwed on without fail, since it performs the function of a check valve in parallel. This achieves the immersion of the heating element in the liquid and the prevention of its premature failure.
Effective flushing of boilers is only possible by completely removing the flange on which the heating elements are fixed. Different manufacturers may use different numbers of mounting bolts, but they all use a spacer. It can be rubber or silicone. When the flange is removed, they are careful not to cause mechanical damage to this part. Otherwise, it will be impossible to achieve the tightness of the tank during assembly.
Further, the cleaning of the storage water heater continues in a horizontal position. Under the pressure of water, the walls are washed, while a rag is used. Do not use metal nets for washing dishes, since the inner surface of the tank is enameled and such cleaning of the water heater will soon lead to the destruction of the sheet metal from which the tank is made.
Particular attention is paid to the lower part of the container. Scale usually settles to the bottom.
It visually introduces how the Ariston boiler is cleaned by video, with a really embodied sequence.
After cleaning the boiler with your own hands, they start flushing the parts on the dismantled flange. It is quite easy to put in order a copper sleeve, into which an element is placed to take the temperature readings necessary for the correct operation of the thermostat. The heating elements themselves are much more difficult to clean, and cracks cannot be allowed to appear on them. If, after flushing the heating elements, mechanical damage is found on their surface. The heating elements should be replaced with new ones, which are purchased at service centers or on specialized Internet sites.
To neutralize the negative effects of stray electric charges (Foucault currents), a magnesium anode is provided in the boiler. It is destroyed during long-term operation, taking over the discharges. When performing boiler maintenance yourself, you need to provide for its replacement. The anode is attached by means of M4, M6 threads. Screwed in clockwise, respectively, dismantling is carried out in the opposite direction.
After the boiler has been cleaned with your own hands, they proceed to the assembly of the water heating unit in the reverse order. The flange part is assembled in the hands, and then it is attached through the gasket to the tank. It is important to tighten the nuts firmly enough to prevent leakage. Filling the device is no less crucial moment. To do this, a hot water tap is opened at any point of consumption, and they wait until a jet appears.
Once again, having visually checked the tightness of all investment joints and making sure that there are no drops on the bottom of the boiler, connect it to the electrical network. Thus, the routine work on cleaning the water heater of the video about which is presented can not only extend the service life of the device, but also increase its productivity. With the same electricity consumption, the served boiler will be able to heat more water, and its thermostat will more accurately correspond to the set parameter.
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