Geysers Junkers

The Junkers geyser is a product of the German concern Bosch. Like all German technology, these devices are easy to use, reliable, durable and use natural gas economically.

About Us

The Junkers trademark merged with the giant Bosch Gruppe in 1932. And the history of the brand began in 1895, when the German engineer Hugo Junkers, an inventor and industrialist, opened a factory for the production of water heaters. Junkers himself patented about two hundred inventions – a record of his time. The company has introduced piezo ignition since 1968. Then a column was released with ignition from 2 batteries. 10 years later, Junkers launched the world’s first suspended combi boiler with continuous power control. The brand is known for its turbocharged speakers – not many manufacturers produce them. Bosch Thermotechnology is the world’s largest manufacturer of heating equipment and is a leader in Europe.

Disadvantages

Even the famous German quality cannot completely eliminate the shortcomings arising from the design features of water heaters. Cons of Junkers speakers:

1. Almost all modifications are characterized by increased noise.
2. After a few years (5-6), the heat exchanger begins to fail – leaks may appear.
3. We have to seal the joints, and the gaskets that the Junkers models are equipped with are not enough to eliminate leaks.

Masters say that the cause of problems with the heat exchanger is scale. The operating instructions recommend that in order for the equipment to function properly in the conditions of Russian water supply, it is necessary to install an additional water filter. This will increase the service life of the device up to 10-12 years. Not all consumers are attracted by this solution – you have to change cartridges regularly. Many users also do not want to take a bath in water that has passed through a magnetic filter.

Advantages

Despite the serious disadvantages of Junkers water heaters, they are in demand on the domestic market, as they offer potential buyers a large list of advantages:

1. Adaptation to domestic gas pipeline systems. In the Russian network, the pressure is 13 mbar, in Europe – 20 mbar.
2. Work at water pressure from 0,1 atm.
3. High performance – they heat water at a rate of 11-17 l / min.
4. There is a flame modulation system – the power automatically changes, ensuring the stability of the temperature of the heated liquid.
5. Reliable security system.
6. Reasonable price.
7. Warranty – 1 year. The service life is 10-13 years.

How much are? The price of the Junkers models depends on the size – all other characteristics of the models are the same. The manufacturer offers two versions: mini and standard. The cost is from 7 to 000 rubles.

How to choose?

The main difference in the Junkers models is the ignition method. Water heaters have not been lit with matches for a long time, there are more advanced ways to get fire:

1. The P series devices use piezo ignition – the most popular option. The device turns on with the push of a button. Such versions have another important plus – you can set the water temperature. The igniter burns constantly.
2. In heaters of the “B” series, electric ignition is provided – in this case, the device flares up from the batteries. This option is more expensive, but gas is also spent more economically – a constantly burning igniter is not needed. The device turns on automatically when the coolant starts to move. Such versions allow you to save fuel and comfortably use the device.
3. In devices of the G series, Hydro Power technology is used for ignition – a special generator, there is no burning igniter.

Security

Gas is a source of increased danger. Gas equipment, having a multi-stage security system, prevents possible emergencies. All processes are controlled by automation, which, at the slightest hint of a problem, will prevent danger and block the flow of gas. The German columns provide protection:

• from the extinction of the fire;
• from lack of traction;
• from reverse thrust;
• from overheating.

Models overview

BOSCH Therm 4000 O WR 10-2 B (B series)

This model provides electric ignition using two batteries, automatic start, reliable security system:

• traction controller;
• ionization flame setting;
• safety valve.

The water pressure and temperature are set according to the flow in the pipes. There is a self-diagnosis with fault indication. According to consumer reviews, this model has been serving regularly for 10 years or more. The cost is about 18 rubles. Management is mechanical. Characteristics:

WR 10-2P (“P” series)

This device uses piezo ignition, the igniter is always on. Separate setting for water pressure and flow. Versions WR10-P, 13-P and 15-P have a thermoelectric device that controls the intensity of combustion. A copper radiator is installed, there is no tin and lead in the alloy. Convenient control panel. There is an indication of the state of the gas burner device. The piezo ignition button is at the bottom of the device. Water consumption and power are regulated separately. The burner is made of stainless steel. The material of the water reinforcement is polyamide reinforced with fiberglass. The cost is 13 rubles. Body color is white. Characteristics:

WR 15-G (series «G»)

This ignition device is equipped with a hydrodynamic generator using Hydro Power technology. It works at a pressure of 0,35 atm. Models of the “G” series can work on 3 points of water intake. The manufacturer offers modifications: 10-G, 13-G and 15-G. Characteristics of the WR 15-G model:

Express instruction manual

After installing the equipment, performed by specialists, the buyer of the geyser must read the instructions. The service life of the device depends on proper operation. Rules for the user:

• Installation and maintenance is the job of professionals.
• Periodic cleaning of the igniter and radiator is necessary.
• It is undesirable to set a very high heating temperature – this contributes to the accelerated formation of scale.
• If the water is very hard, the machine needs a special anti-scale device.

What are the problems?

More than half of all breakdowns occur due to violation of operating rules. All other malfunctions are associated with problems in the electrical network, poor water quality and corrosion. If a manufacturing defect is found, the device is sent to a service center for a free fix. Paid repairs cost about 1000-2000 rubles. It is more profitable to take the water heater to the service, since calling the master will cost more. The most common faults:

1. Unable to ignite the device. The igniter lights up and goes out after a couple of seconds. The reason is a breakdown of the thermocouple, valve or sensor of combustion products.
2. Water is not heated. The likely cause is a broken heat exchanger. It may have accumulated a lot of scale.
3. The device is noisy and overheating. The reasons are the same as in the previous paragraph.
4. Water loss. Reasons – the heat exchanger is damaged or it’s time to change the stuffing box.
5. When working, pops are heard. The reason may be either too much or too little gas pressure. In any case, you will need professional cleaning and adjustment.
6. The smell of gas. This issue needs to be taken very seriously. The first step is to turn off the gas valve and immediately ventilate the room, then call the gas service.

To fix the problem yourself, you need:

• establish the exact cause of the breakdown;
• buy original spare parts;
• prepare the equipment necessary for repair;
• study the rules for eliminating a specific malfunction and clearly follow the instructions of specialists.

Before turning on the Junkers column after replacing a defective part, you should make sure that the fasteners are firmly fixed – gas leakage must be excluded. Self-repair is possible if you have experience and knowledge of the device and operation of the equipment. Spare parts must be used only original. Buying a new hydraulic fitting will cost 7 rubles, you will have to pay 000 rubles for an igniter, and about 500 rubles for a thrust sensor. The cost of an electronic ignition device is 1 rubles.

Dismantling the gas column “Junkers”

To repair the assembly, perform preventive cleaning or replace a part, you need to disassemble the device in parts. The order of disassembly is as follows:

• Remove the handle located on the water block. Set the gas regulator to the central position, unscrew the screws – they are located at the bottom of the case. On Junkers, instead of self-tapping screws, there may be clips. Now you can remove the case.
• Unscrew the screws securing the chimney cap to the housing. Then – self-tapping screws from the bar screwed to the cap – it is needed to fix the heat exchanger.
• Consistently remove the draft and temperature sensors, disconnect the wires from them. The Bosch and Junkers speakers have a difference: for the former, the wires from the thrust sensor can be easily removed, for the latter, they are fixed by soldering and cannot be removed.
• Disconnect the cap from the heat exchanger and housing and remove it. Be careful when removing pipes. The nozzles have rubber seals – it is advisable to replace them with new ones during assembly, as they tend to age and dry out.
• Disconnect the wick tube from the burner.
• To remove the burner, you need to unscrew the screws and, pressing down the thermocouple with a screwdriver, remove it from the burner body.

Reviews

Junkers WR 13P: Sofia I., Kaluga

It has been working for less than a year, but that was enough for us to want to change it. I’ve had enough of the constant leaks. The heat exchanger had to be soldered twice. It seems that this detail is made of foil. Every week you need to repair something, delay it – tired. Seals leak all the time. The gearbox broke after two months. Of course, there are pluses – easy ignition, low pressure operation, high productivity. But the noise and leaks spoil the whole picture.

Junkers miniMAXX WR 13G: Timofey О., Rostov-on-Don

A good device – served for 3 years without problems. And then the heat exchanger started leaking. After disassembly, it turned out that there was a crack in it. It is strange that such a well-known brand has such flimsy heat exchangers. Of the benefits – ignition without batteries. The wick lights up from a small generator that rotates under the pressure of the water flow. Good performance – 13 l / min. It happens that the flame goes out for no apparent reason, and did not understand why.

Junkers speakers are on par in quality with Bosch and Electrolux models. This equipment will satisfy the most demanding customers – it is simple, reliable and safe. And most importantly, it provides a stable supply of hot water, which is a prerequisite for comfort in everyday life. An important drawback noted by users is an unreliable heat exchanger. This problem is related to water quality and the reluctance of consumers to install additional filters, which the manufacturer insists on.