If the aquastop fails, the dishwasher needs to be repaired. Further operation household appliance Without eliminating this malfunction it is simply impossible.
Aquastop plays very well in the dishwasher important role. It detects the water level, the rupture of the inlet hose and should protect you and your neighbors from flooding. For example, in in this case the breakthrough occurred in the presence of the owners, thanks to which it was possible to avoid serious financial consequences from the flooding. This device located at the connection between the line and the hose. If there is any leak in the machine or hose, the magnetic valve closes the line. However, a leak can start from the device itself, and in this case, get ready to repair the dishwasher for a lot of money, and maybe even the room. 
In this case, the “neck” of the magnetic valve burst. Without exception, all manufacturers save on this ill-fated particle. Instead of such flimsy plastic, which should more than hold the main pressure, no one uses more reliable metal. The cost of replacement is a quarter of the cost of a dishwasher. These are the realities of marketing. But you can save on services service center and repair the dishwasher yourself.
There are three main options to solve the problem:
- The most expensive is replacement with the original one.
- Purchase a Chinese universal “aquastop” and any suitable pipe.
- Use sealant or a soldering iron.
If you have already purchased a new pipe with the system, replacing it will not be difficult. To do this, you need to remove the top and side covers of the case: 
In the inner part, unscrew the three bolts. 
Two more hid behind. Pull the lid to the side and lift it up.
We do the same with the left side wall: 
Three bolts on the back in visible places and one hidden under top cover. 
The hardest part is over. We disconnect the wires from the tube (circled), remove the clamp and replace the hose with a working one. Assembly occurs in reverse order. 
A temporary way to fix your dishwasher is to seal the tube. The silicone layer should be up to a centimeter. Apply sealant generously along the tube, under the nut and allow to dry. Finally, crimp with a clamp or wire. This method, as mentioned earlier, helps for a short time. The sealant is constantly under pressure and gradually breaks down. In the case considered, it lasted for two months. It is possible to properly solder if the crack is not hidden under the pump housing or the union nut.
A very tempting way to repair a dishwasher is to use a hacksaw to cut off a broken tube with a nut and solder a regular fitting for plastic pipes. Difficulties include the availability of a suitable diameter and the risk of damaging the valve.
Of all the methods listed above, the most reliable is to purchase it on the market. new system. A Chinese duplicate will last no less than the original, but will cost several times less.
Today there are many technologies that can protect your home from all kinds of troubles. One of them is the Aquastop system. Protection against water leaks is carried out automatically. Such a device can save repairs for both apartment owners and their neighbors who live below. The device includes several elements, the installation of which can be done independently. Today, several systems of this type are presented to the consumer. User reviews will help you choose the best one. Protecting your home from a flood is quite simple. The use of Aquastop can save significant funds in the family budget.
general characteristics
Many manufacturers household appliances, connected to the water supply, equip their products with built-in protection against leaks. However, this only applies to top models, and they won’t be able to help with a flood due to a breakdown of, for example, a faucet.
To protect yourself from troubles, it is necessary to provide protection globally, and not just from the side of a possible breakdown of the washing machine. Here it would be more correct to shut off the water supply riser to the apartment. That's the point smart system"Aquastop". Protection against water leaks is carried out on the scale of the entire apartment. The elements included in its composition, thanks to their coordinated work, block the flow on the common main supply line to the apartment. This guarantees 100% prevention of property damage from the water supply.
Equipment
There are 3 main elements that are included in the Aquastop system. Protection against water leaks (photo below) is carried out using electric ball valves, a controller and humidity increase sensors. If water gets on the floor, it is caught by the sensor.
Sensors can be located in the kitchen or bathroom. They can be tied to one controller. This is the “brain” of the entire system. It processes the signal received from the sensors and, if necessary, shuts down the electrical Ball Valves. The latter are installed in cold and hot water supply pipes. Sensors can be wired or wireless. Their number in the kit varies depending on the type of system. Whatever equipment is included in this device, you can install it yourself.
Installation of ball valves
There is a certain technology that allows you to install the Aquastop system. Protection against water leaks, installation of which is carried out on your own, will require studying the sequence of actions. Electric ball valves should be embedded into pipes behind manual inlet valves. Under no circumstances should they be installed before or instead of shut-off valves.
Before installation, the water supply is shut off. Next, the wiring is disconnected from the input valve. Then the system taps are installed. If the thread is external, it is simply screwed onto the communications. When it is internal, you will have to use the “American” one. The thread is wrapped with a sealant (fum tape, tow). The system tap is screwed to the valve in a certain direction. It is indicated by an arrow. Pipes are connected.
Controller
The control device has the main requirement during the installation of the Aquastop system - protection against water leaks. What kind of device this is is easy to understand by its appearance. Photo provided below.
This is digital equipment. That's why it doesn't love high humidity. Durability will be ensured by its installation in a dry, splash-proof place. Humidity should not exceed 70%. By selecting appropriate place, you need to screw the plate to the wall with self-tapping screws. It is included in the kit. When this work is completed, you need to install the controller. It is mounted on a screwed plate.
Sensors
After carrying out the above manipulations, the next stage of installing the Aquastop device begins. Installation of a water leakage protection system now involves the installation of sensors.
With their wireless options, everything is simple. Such sensors are installed in areas of probable leakage. But with wired varieties you will have to tinker. The wires can be left exposed or hidden behind the baseboard, between the seams. The sensor is usually attached with tape or a screw to the floor. It is closed with a decorative cap.
Connection
When all the elements of the system are in place, they need to be connected to each other. The corresponding controller connectors (indicated by inscriptions) are connected to the control device at the required terminals. Wireless devices are already registered in the controller’s memory. You don't have to connect them.
The battery pack must be connected to the board. It has a special connector for this. The block is connected to the main part of the controller. To do this, the wires are pulled through a special hole. If the system is wireless, you need to connect the battery pack to the radio base. They are then attached to the controller. The entire work takes from 1 to 4 hours. If you follow the instructions, it will be quite simple.
Any equipment that deals with the collection and drainage of water can malfunction, break down, and then there is a great risk of a “flood”. There can be many reasons for a leak in a dishwasher: a clogged drain, drain hose or filter, the pump or water supply valve is broken, and others. Most modern PMMs have a special system called Aquastop, which is designed to protect equipment from water leakage, regardless of the cause of the breakdown.
Waterstop - what is it?
The principle of operation of protecting a dishwasher from leaks in all PMMs is the same, the same design as in washing machines. The Waterstop system is simple and at the same time effective. It consists of a tray with a control float, a microcontact, a hose and a safety valve, which is attached directly to the plumbing system.
When water (about 200 ml) enters the pan as a result of a malfunction, the float rises and closes the microcontact. The access of electricity to the safety valve is instantly stopped and it closes, thereby cutting off the flow of water to the PMM. Thus, the leakage protection worked. Along with this process, water is pumped out.
Types of leakage protection
There are two types of protection against water leaks:
- full;
- partial.
Which one is better? Full protection against leaks in the dishwasher provides for a tray with a control float and a hose with special sensor valves at both ends. As soon as the float operates, cutting off access to electricity, the valves close, cutting off the water supply to the faulty machine. This design works and allows you to avoid flooding both in the housing and in the event of a leak between the hose inlet and the water supply. The full type is more reliable.
Important: if the leakage is insignificant, the system will not work immediately dishwashers budget option or earlier models. In modern dishwashers, Aquastop works instantly.
Partial protection against leaks is provided only in the form of a pan with a float. The float sends a signal to the control panel through a microsensor, and the emergency mode starts, the PMM is blocked. That is, the hose and the space outside the machine remain unprotected with the partial type. Thus, the answer to the question of which system is better becomes obvious.
Advantages of dishwashers with Waterstop
Today there are practically no dishwashing equipment on sale without the Waterstop system. When purchasing a PMM, ask the seller what type of protection is present in the models offered.
The importance and benefits of such a system against leaks in dishwashers can hardly be overestimated:
- in case of breakdown and water leakage, your kitchen and floor will remain undamaged;
- there will be no need to compensate neighbors for damage in case of flooding;
- saving water, which simply shuts off when triggered;
- the ability to safely leave the PMM on at night or before leaving home;
- the ability to avoid even greater damage to the machine in case of flooding and short circuit.
Protect yourself and your neighbors from unexpected flooding and damage to furniture with the Aquastop leakage system.
Modern dishwashers have leakage protection systems called aquastop. An unexpected leak from water hammer, burst or worn out seals can lead to significant costs, especially if your neighbors are flooded. Therefore, such protection is very important for uninterrupted and safe work dishwasher.
Aquastop looks like a casing with a valve on the fluid supply hose. If there is an unexpected change in pressure, it is triggered and the flow of water into the washing hopper stops. The simplest option is mechanically driven protection, which is also called external. Its effectiveness is slightly lower than alternative, more technologically advanced options.
Types of protection
Depending on the price, the dishwasher may have different types aquastop. They have different designs and operating principles. There are three such options:
- Mechanical is the simplest.
- Mechanical with absorbent filler is more complex.
- Electromagnetic is the most technologically advanced and reliable.
Mechanical
This species is gradually becoming a thing of the past. Structurally represents plastic case on the inlet hose, inside of which a valve with a spring is installed. At normal pressure, water is supplied as usual. Changing it triggers the spring, which tightly blocks the outlet. The system is reliable, prevents leaks in 85% of cases, but is inferior to other options.
Mechanics with absorbent
The mechanical part consists of a plunger, valve and spring. For chemical component there is a special tank. Operating principle:
- when there is a leak, water enters the tank;
- as a result of contact with moisture, the volume of the absorbent increases;
- a spring is activated, which presses on the plunger;
- the latter closes the valve.
A high-quality system ensures almost one hundred percent leak prevention.
The only drawback is the impossibility of reuse. After activation, the filler hardens, and the hose with casing requires replacement with a new one.
Electromagnetic
This type gives 99% protection. Can be made in single-valve or double-valve version. The casing is complemented by a tray with a float, which is located at the bottom of the machine. The system turns on when water enters the casing. What happens next is:
- water flows into the pan;
- when it is filled, the float floats up;
- the lever he raises closes the contact;
- the solenoid valve shuts off the water flow.
Trigger Signs
When the lock is activated, the water supply stops and the machine does not start the washing mode. But such a situation can also arise for other reasons. Before drawing a conclusion about the condition of the aquastop, you need to find out why it worked. To do this, you need to inspect the filler section on the hose and check the condition of the pan. In addition, if there is a malfunction, an error code will appear on the display.
Error code
To inform the user about the status of the device, a display is provided on its front panel. The machine's communication language consists of special codes that inform about errors. Models from the German brand Bocsh have a system activation code of E15.
The indication value is always written in the operating instructions. But it is not always possible to check the reason for the trigger through the code value.
Visual inspection
In situations where there is no indication and the device refuses to work, it is necessary to inspect the condition of the valve. Its tight contact with the inner edge of the nut sure sign activation of leakage protection. For inspection you need:
- turn off the water supply;
- remove the hose with aquastop;
- Make sure there is no gap between the valve and the fastening nut.
Pallet condition
On machines with electromagnetic protection additional method checks - inspection of the pallet. To do this, you need to remove the lower protective strip from the front side of the device and check the tray for the presence of water in it. Its presence will confirm that the valve is blocked.
Restoring working condition
Plus mechanical protection is that it can be used repeatedly. After eliminating the cause and consequences of the leak, it is enough to cock the spring until it clicks and the device is ready for use. Alternative options will require replacement of the hose. The procedure is simple and takes a few minutes. Necessary:
- Shut off the water supply.
- Remove the used hose with casing.
- Screw on a new one.
If there is an electromagnetic option, you will need to connect the contacts of the casing to the recognition sensor. After this, you can resume operation of the machine.
With Aquastop, the leak will almost always be eliminated. However, its small probability still exists. To prevent a leak from becoming an unpleasant surprise, regularly inspect the dishwasher and the area around it for leakage.
Aquastop system or Aquastop hose - these phrases can often be heard in a household appliance store in relation to a dishwasher or washing machine. But what these phrases mean is not fully understood even by dishwasher salesmen, who insert euphonious expressions into their eulogies for the sake of making a nice statement. In this article, we decided to talk about hoses with the Aquastop system, we will discuss why such hoses are needed, how they are designed and how to install, replace or check them.
What is Aquastop and what are its functions?
The Aquastop hose for a dishwasher is a regular hose, enclosed in a protective casing and equipped with special device shutting off the water flowing into the dishwasher during an accident. The system is triggered in the event of a leak or rupture of the hose, protecting your home and the homes of your neighbors below from imminent flooding.
For your information! The pressure in the water supply system is quite high and water hammers often occur; you simply cannot do without a system that will protect the hose.
Modern dishwashers, for the most part, are completely protected from leaks. Manufacturers are betting on them inlet hose Aquastop, and together with it they supply the machine body with a special tray with an electromechanical device.
- The device works according to the following scheme:
- There is a leak inside the dishwasher;
- the pan begins to fill with water;
- the float inside the dishwasher tray floats up, raising the lever;
the lever closes the electrical circuit, the electric valve is activated and shuts off the water. It turns out that the hose protects outdoor system Aquastop protects the dishwasher from the inside internal system
Aquastop. Experts note that the Aquastop system of electromechanical and absorbent type protects the dishwasher and washing machine by 99%; only in 8 cases out of 1000 the system does not work properly, and a leak still occurs.
For mechanical Aquastop valves, the statistics are worse: out of 1000 cases of operation, 147 leaks, which results in approximately 85% success. Let's talk about the types of Aquastop systems for inlet hoses and their design in more detail. How does this system work? You already guessed that the Aquastop system, which protects the dishwasher hose, may have 
- different designs
- . It is on dishwashers that manufacturers install:
- simple mechanical Aquastop;
absorbent mechanical Aquastop;
electromagnetic Aquastop.
A simple mechanical Aquastop for a hose is now becoming increasingly rare, but it can still be found on some budget Bosch dishwashers. The basis of the system is a special spring and valve. The spring is designed for a certain water pressure and if the pressure does not change, then the hose works as usual. If the hose is damaged, a rupture or a water hammer occurs, the water pressure changes sharply and at the same second the spring is activated, tightly clogging the valve. Important! Mechanical Aquastop for a dishwasher does not recognize small leaks (fistulas, drips), but meanwhile they can also cause a lot of trouble.
- A simple mechanical Aquastop valve is not able to completely protect the machine hose from leakage
- , but what about the rest. Absorbent mechanical Aquastop is more reliable. The mechanism is based on a plunger with a valve, a spring and a special absorbent in the reservoir. The system works like this:
- if even a minimal leak occurs, moisture from the hose enters the protective casing;
The main disadvantage of absorbent Aquastop is that its protective valve is disposable. As soon as the absorbent inside the housing gets wet and expands, it hardens and locks the valve and can no longer be reused, as well as the entire hose.
Note! There are mechanisms in the world for absorbent Aquastops with only a plunger or only with a spring, but these are subtleties.
Electromagnetic system Aquastop Bosch machines based on the operating principle solenoid valve. Either one or two valves are installed in the device body at the base of the hose. As soon as water enters the protective casing of the hose, it begins to flow into the pan of the Bosch machine, and there is an electromechanical device (the operating principle is described in paragraph 1). The device works and completely shuts off the water flowing into the Bosch dishwasher (or another).
How to install/replace with your own hands?
Now let's figure out how to check whether the Aquastop hose has worked or not. Well, firstly, the most important sign that the hose did work is that the dishwasher “doesn’t want to pump water into anything”, it simply won’t be able to do it. Secondly, the Bosch dishwasher will give a system error. This just means that the Aquastop system has worked; once you decipher it, everything will immediately become clear. 
But it happens that the Bosch dishwasher never generated an error code, and water still does not flow into the dishwasher. What to do?
- We need to turn off the water.
- Unscrew the Aquastop hose.
- Look inside the hose; you should be able to see the valve right behind the nut.
- If the valve is pressed tightly to the nut and there is no gap between it and the rib, it means that water will not pass through such a hose - Aquastop has worked.
Next, you can further verify that the Aquastop of the Bosch dishwasher is working. You need to unscrew the bottom front panel of the dishwasher and look into the tray with a flashlight. If there is water there, then the protection has definitely worked and the hose needs to be replaced with a new one.
Remember! There is no need to change a simple mechanical Aquastop; just compress the spring again until it clicks and it can be used again.
Installing/replacing the Aquastop hose is not difficult. It is enough to turn off the water, unscrew the old hose, and screw a new one in its place. If we are talking about an electromagnetic system, then you will also have to connect a wire with a plug to the leak detection sensor. This is not difficult, since the wiring comes directly from the base of the Aquastop device, and the entrance is located at the fill valve outside the Bosch dishwasher.
In conclusion, we note a hose equipped with the Aquastop system is designed to protect your dishwasher and you from troubles associated with flooding. The system works quite effectively, so experts advise everyone to install it. It is not difficult to check and install the system; even a person who does not have any technical knowledge can do it; the whole job will take 10-15 minutes. Good luck!
