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What to do if the boiler is leaking?

blankAlmost every house or apartment, especially not provided with central hot water supply, has an individual boiler. This water heater, like everything in our world, can fail. We will try to help you, we will tell you what to do if the boiler is leaking.

We define our capabilities

If you have never been involved in the repair of equipment and did not hold a screwdriver in your hands, then it is better to naturally turn to qualified plumbers..

But if you can repair a crane in your apartment or even your own car, then sometimes you have the opportunity to deal with this problem yourself. We warn you right away, although the water heater is quite simple in design, special knowledge is required for its repair, both in electrical engineering and in the field of thermal devices. Sometimes there were cases when the master, having correctly repaired the electric water heater, made a mistake in connecting it to the heating circuit and caused a breakdown in the operation of the entire system.

We determine the possibility of self-repair in case of leakage

blank If the boiler is leaking, the most important thing is to determine the cause of the leak. Although another option is possible, the device is under warranty and these are not your questions. We just call the wizard. If free repairs are not possible, you can try to repair the boiler yourself. But let’s make a reservation, this is consistent only when you are not afraid of problems with the technique, and you also have a minimum set of tools. Also, if you are not familiar with electrical equipment, you should not take on troubleshooting. In the event of a boiler breakdown at an enterprise (even a private company), such work can only be performed by specialists who have the appropriate electrical safety approval group..

Finding the causes of leaks

The simplest option (and practically the only one) is a visual inspection.

the boiler is flowing from the bottom - what to do?No hydraulic test, no other methods are almost never applied to household and especially electric water heaters. Therefore, we determine the causes of leaks at the boiler visually. Here you can give one little advice – ordinary water is poorly visible, add a bright food coloring to it, then the places where it leaves the container will be clearly visible.

True, there is one more small nuance, if the boiler flows from above, then this leakage is possibly due to a malfunction of either the shut-off valves or valves that ensure the safety of the boiler, or the creation of excess pressure in its tank. In any case, such a malfunction of a water heater must be treated with special attention. If the boiler leaks from the bottom, then most likely this is caused by a defect in its capacity (especially for storage boilers).

If it is not possible to locate the leak visually, it is advisable to use the same method as for boilers or pressure vessels (if the design of the water heater allows it). In this case, increased pressure is supplied (by air) and the places where the boiler leaks are detected after soaping (with soap dissolved in water or other surfactants).

Elimination of water leakage in the boiler

blankHaving found a place where water passes, you can begin to eliminate the leak. Most often, the problem area is the seals. First of all, you need to pay attention to the place where heating elements enter the boiler tank, often replacing this gasket can eliminate the whole problem.

Also, an electric boiler often flows through the places of installation or input of communication lines of sensors. Moreover, it is advisable to use not the first seals that came to hand for repairs, namely those that are recommended by the company, manufacturer and preferably with its trademark. If this is not possible, then use heat-resistant rubber or paronite.

If the container is damaged, it must be repaired. It is difficult to tell which way to choose in this case. For steel, of course, welding is needed if possible, but if the pressures are not prohibitive (ordinary household boiler), then you can limit yourself to soldering. For aluminum (or, more correctly, duralumin), welding is required in a neutral environment (using a neutral gas like argon), so it is often easier to seal the crack with epoxy polymer. But if there is an opportunity, you should always give preference to welding..

It is also worth noting that small leaks over time necessarily turn into huge ones..

Therefore, even if a few drops per day seep from your boiler, be sure to find and eliminate the cause. Then the repair can be much more expensive..

Video: fixing a leak in a boiler with your own hands

Video: DIY boiler repair

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