Wall-mounted gas boiler navien deluxe. Gas boilers Navien (Navien). Types of gas boilers Navien

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• Non-cash payment to the organization's current account (with and without VAT)
• Payment in cash or card upon receipt of goods from the courier
• Payment in cash or card at the company office

Equipment delivery

We deliver equipment in any way convenient for you - by trucking companies, our own by car, by railroad. We DO NOT deliver equipment by Russian Post and the luggage department of Russian Railways, and we also do not transfer equipment to train conductors, bus drivers, etc.

Loads over 5 kg:

• Delivery in Moscow
• Delivery cost in Moscow is 500 rubles. Delivery times and times are agreed upon when ordering.
• Delivery large cargo(for example, KCHM boilers) in the Moscow region: delivery to the region is 500 rubles + 30 rubles for each kilometer from the Moscow Ring Road. The cost of delivery depends on the order amount and can be free regardless of the distance.
• Delivery throughout Kaluga and the region
• Delivery within Kaluga is free.
• Delivery to the region is free for the following settlements: Kirov, Baryatino, Mosalsk, Obninsk, Maloyaroslavets. To the rest settlements delivery is coordinated with the managers of the Kaluga branch of the company.
• Delivery to regions of Russia
• Delivery to the regions is carried out by road transport companies and our own vehicles. Shipment to any car transport company in Moscow - FREE!
• Delivery is carried out, if possible, to your city. If it is impossible to deliver to a certain city, delivery is carried out to the nearest possible. You can also indicate a specialized transport company that has a representative office in Moscow and carries out cargo transportation to your city - delivery of equipment in Moscow to your transport company will be free.

Load less than 5 kg:
Delivery in Moscow and regions of the Russian Federation

Delivery is carried out by the SDEK courier service according to the “hand to hand” scheme from Monday to Friday from 10-00 to 18-00. By separate agreement with the operator, delivery can be made at other times, as well as on weekends. Delivery is carried out during the day, or at your request in the first (from 11-00 to 14-00) or second (from 14-00 to 18-00) half of the day. Also, for your convenience, we can offer evening delivery (negotiated with the operator personally).

Payment is made directly to the courier at the time of transfer of the order; if something does not suit you, you can refuse the order partially or completely.

We kindly ask you not to delay the courier at your address for more than 20 minutes. If it is impossible to transfer the order to the recipient within 20 minutes of being at his address, the courier has the right to leave the customer’s address to ensure timely delivery of orders to other customers. We strongly recommend that you ensure uninterrupted operation of the contact telephone numbers you provided on the day of delivery.

30-60 minutes before your visit, the courier will contact you and inform you exact time arrival. Our couriers do not go to the customer’s address without a preliminary call to the customer.

The company SDEK (Express Courier Delivery Service) has been on the market for more than 11 years and delivers cargo and documents to more than 2,000 cities throughout Russia and the world. The courier service deals with express delivery, transportation of goods, delivery of flowers, gifts, and distribution throughout the city.

The client is given the opportunity to track the delivery process on the company’s website. SDEK provides services to online stores, including delivery of goods to the buyer using a specially developed delivery module, as well as accepting cash on delivery.

Payment for ordered equipment

Payment for the ordered equipment is made in any way convenient for you:

• For courier delivery (Moscow and Moscow region, Kaluga and Kaluga region) - cash/non-cash payment
• Delivery to the regions via trucking companies - cashless payments

Installation

By ordering installation from our company, you receive a comprehensive turnkey service. We fully complete the estimate for the supply and installation of the facility without the involvement of subcontractors. This allows you to significantly save your budget and receive a high-quality service with clear deadlines for completing the work.

We have all the necessary licenses and permits to carry out work on gas pipelines and gas-using equipment.

We work with organizations and individuals. One thing remains the same everywhere - this high quality and professionalism of the work!

Service

In addition to maintaining equipment in working condition, timely Maintenance allows you to maintain the operating parameters of the equipment in optimal condition, and this allows you to save energy resources. Indeed, during operation, the efficiency of almost any technically complex device will inevitably decrease.

Our company has the entire arsenal to equip service teams necessary equipment and tools for carrying out maintenance of heating, ventilation, air conditioning systems at the highest professional level.

RUR 32,007

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Gas

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Product information

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Dimensions and weight

Fuel characteristics

Electrical characteristics

Energy characteristics

• Description
• Payment and delivery
• Documentation

Description of WALL GAS BOILER NAVIEN DELUXE - 24K FF

The NAVIEN DELUXE-24K FF boiler is a wall-mounted gas double-circuit boiler with a closed combustion chamber, adapted to work in Russian operating conditions and with an optimal price-quality ratio. Designed for heating and hot water preparation.

Heat exchanger made of stainless steel, has high level resistance to corrosion, which significantly increases its service life. And due to the fact that the boilers use a modulated turbocharging system, the productivity of the boilers has increased without increasing the amount of gas consumed.

NAVIEN boilers operate without problems in our harsh climate and are not afraid of voltage surges or low water or gas pressure. In addition, these boilers are very reliable, have a long service life and have low gas consumption.

NAVIEN boilers comply with all norms and standards accepted in the Russian Federation and have the appropriate certificates.

Advantages wall-mounted gas boiler NAVIEN DELUXE - 24K FF

Stable frost protection system

When the room temperature drops, the boiler's anti-freeze system is automatically activated. If the temperature heating water falls below 10°C, starts automatically circulation pump, ensuring constant circulation of coolant in the heating system. When the heating water temperature drops below 6°C, the burner automatically turns on and warms up the coolant to 21°C.

Safe and stable operation of the boiler during frequent voltage fluctuations in the electrical network

When the mains voltage fluctuates +/-30% from 230 V, the SMPS (Switched-Mode Power Supply) protection chip on the microprocessor is triggered. At the same time, the boiler operates without failures or stops, thereby extending its service life and preventing breakdowns.

Possibility to use heating and hot water at low gas inlet pressure in the gas pipeline system

The boiler operates stably and safely at a gas pressure of 4 mbar (40 mm water column).

Ability to use hot water with low incoming water pressure in the water supply system

The boiler operates stably when the incoming water pressure drops to 0.1 bar, making it possible to use it in residential areas with low water pressure in the water supply system, as well as with frequent pressure changes in the water supply system.

Remote control panel (included with the boiler) with a liquid crystal display with built-in backlight

The Russified remote control allows you not only to save fuel and reduce heating costs, but also to constantly maintain a comfortable temperature, taking into account the characteristics of the room and set optimal mode heating domestic water.

Modulated turbocharging system

Turbocharger fan installed in Navien Deluxe/Navien boilers Deluxe Coaxial under the combustion chamber, changes the rotation speed according to the signal received from the APS air pressure sensor. Thus, the combustion chamber of the boiler is supplied with air in an amount proportional to the amount of gas supplied. It is precisely this system of operation of the Navien Deluxe/Navien Deluxe Coaxial boilers that made it possible to ensure the most complete combustion of gas and minimize heat loss associated with smoke removal.

Construction of a WALL GAS BOILER NAVIEN DELUXE - 24K FF

Overall dimensions of WALL GAS BOILER NAVIEN DELUXE - 24K FF

Order payment methods

We offer wide choose Payment methods for your order:

• Cash to courier
• By bank card Online
• Sberbank (non-cash transfer to the organization's current account)
• Cash in Qiwi, Contact, Elecsnet terminals, as well as in Svyaznoy and Euroset stores
• From account mobile phone
• Yandex money
• [email protected]

Delivery methods

• Pickup (open card):
  1. Lyubertsy district, Tomilino village;
  2. Kaluga, Boldin st. 67
• Delivery by courier in Moscow and the Moscow region, Kaluga and the Kaluga region. Cost from 0 rub. ()
• Sending goods throughout Russia and countries Customs Union. We ship to any trucking company in Moscow. The cost of delivery to the terminal of the trucking company is free (check with the manager when ordering!)

Full information about the product, manufacturer, configuration, technical characteristics and functions is contained in the technical documentation.

Description

Navien Deluxe 24k White is a wall-mounted gas boiler designed for heating and preparing hot water in residential premises. Navien Company(South Korea) is one of the recognized leaders in the Asian market in the field of high-quality production.

During recent years its products are also supplied to domestic market, receiving only positive reviews from numerous users. An important advantage is that they are created taking into account climatic features Russia and can be used in almost any conditions.

The Navien Deluxe 24k White boiler can be easily installed in an apartment, country house or country cottage, using main gas as fuel. If conditions do not allow connection to the main line, the unit can be converted to run on liquefied gas using several jets. Installed chimney Korean type, together with a fan, guarantees quick and efficient removal of all combustion products to the street. Also, for operation you will need constant power from electrical network 220 V.

Advantages of the Navien Deluxe 24k White gas boiler

Low temperature resistance. A drop in room temperature will not affect the operation of the boiler, thanks to the installed frost protection. The circulation pump turns on automatically when the temperature of the heating water drops to 10°C or more - this ensures non-stop circulation of the coolant. If the water temperature drops 6°C, the burner is additionally turned on, which brings the coolant to 21°C. Navien Deluxe 24k White can be freely installed in utility rooms or utility rooms without special insulation. Built-in weather-dependent automation takes care of maintaining a comfortable temperature in the apartment or house, even if it starts to freeze outside.

Economical gas consumption. This is achieved thanks to the installed return line sensor - it not only prevents excessive gas consumption, but also significantly extends the service life of the heat exchanger and boiler by reducing the number of on/off cycles. An important advantage of boilers from the Delux series is their adaptability to domestic gas pressure - they are able to operate stably even at low pressures of 4 mbar.

Modulated turbocharging system. The Navien Deluxe 24k White gas boiler has a turbocharging fan controlled by an APS (Air Pressure System) air pressure sensor. The fan rotation speed is flexibly adjusted automatically: an amount of air proportional to the amount of incoming gas is supplied to the combustion chamber. This technological solution has significantly increased the efficiency of the unit - the gas burns almost completely, minimizing heat loss. The boiler has a stainless steel heat exchanger, which is more durable and resistant to corrosion.

Differences between Navien wall-mounted boiler series

Stable operation even with network fluctuations and low water pressure. The Navien Deluxe 24k White boiler is not afraid of even significant voltage deviations - even with fluctuations of +/-30% from 230 V, it continues to operate, guaranteeing a high level of safety. It is protected from surges by a special SMPS (Switched-Mode Power Supply) chip installed on the microprocessor and protecting the unit from breakdowns. Also, the stability of the boiler is not affected by low water pressure (up to 0.1 bar), which allows it to be used in places with low pressure.

Remote control. A remote control panel is supplied with the boiler, allowing you to fully control its operation and set the necessary settings depending on the specific tasks. Controlling with this remote control will not cause any difficulties, thanks to the voice assistant function.

On our website you can buy a wall-mounted gas boiler Navien Deluxe 24k White with delivery to any region, as well as download all related documentation. Get more detailed information For any questions or to place an order, please contact our sales staff.

Korean wall-mounted double-circuit gas Navien boilers today are the most the best option when purchasing, given the sharp rise in price of all imported heating equipment. Of course, the increase in the price of gas boilers affected all manufacturers, but you must admit, it’s one thing to pay 30-35 thousand rubles for a boiler, and another thing to buy it for 50-60 thousand.

Is it worth overpaying for essentially the same thing, only made in Italy or? Good build quality, reliability, customer reviews and, most importantly, low price have made the Navien brand very popular in Russia in recent years.

In this review, we will try to understand the Navien boiler models presented on the Russian market, their differences, design and technical characteristics, as well as the advantages and disadvantages of boilers of this brand.

Features of Navien gas boiler models

On the Russian market, the company sells double-circuit wall-mounted gas boilers, both with forced draft(turbocharged) and natural (atmospheric). They are designed for heating a house with a total area of ​​30 to 400 m2, depending on their power.

All models are dual-circuit, which makes it possible to use them to heat household running water for household needs. They can operate on natural and liquefied gas.

Gas boilers Navien Prime and Navien Deluxe

Turbocharged boilers are available in a wide power range from 13 to 40 kW. The number in the abbreviation indicates the thermal power of a particular model wall-mounted boiler.

In stores you can find the following models:

— Navien Deluxe 13k;
— Navien Deluxe 16k;
— Navien Deluxe 20k;
—Navien;
— Navien Deluxe 30k;
— Navien Deluxe 35k;
— Navien Deluxe 40k.

Navien Deluxe Coaxial boilers - Technical characteristics

Table of technical characteristics of Navien Deluxe Coaxial boilers

They come in two types:

— with a coaxial chimney;

- with a separate chimney.

Navien boilers with coaxial chimney are marked Deluxe Coaxial. In previous years, a 24 kW turbocharged boiler was designated as Navien Ace 24 E. Where the letter “E” meant “Euro”, i.e. European type of chimney pipe.

A coaxial chimney is a chimney of the “pipe-in-pipe” type. Through the outer pipe there is an influx of air into the boiler from the street, and through the inner pipe there is an emission of combustion products. The diameter of these pipes is 60/100 mm, as indicated in the instructions.

For those situations where, according to the project, installation of a gas boiler is impossible, practical and cunning Koreans have come up with a boiler with the ability to install the so-called separate chimney.

This type of turbo boiler is already equipped with two connection pipes: the first pipe, which emits combustion products, and the second, for air intake. Instead of the second pipe, you can also use aluminum corrugation, it is cheaper. The diameter of the pipes is 75 mm and 70 mm, respectively.

This type of boiler is marked with the letter “K”, i.e. Korean version of the chimney. For example, if you see the designation Navien Deluxe 16K on the price tag of a boiler in a store, this means that this is exactly the type of double-circuit gas boiler made in Korea. See the photo below.

When choosing a boiler, also keep in mind that boilers with a Korean version of the chimney are available with maximum power up to 40 kW inclusive, whereas with a coaxial pipe - only up to 30 kW.

Navien Deluxe 24K boiler with channel separator

You can buy an atmospheric boiler if your house already has a chimney, for example, from asbestos cement pipes, sandwich pipes or brick pipes. You will just need to purchase separate steel pipes (preferably stainless steel) and run them into an existing chimney.

The diameter of the pipe on the boiler is 130 mm. This is important to remember, because you cannot narrow the chimney.
And, if, for example, you have an asbestos pipe installed with internal diameter 100 mm, then it will have to be replaced with pipes of larger diameter. Otherwise, the boiler will not work correctly and will quickly fail.

Installation of double-circuit gas boilers of the Navien brand

Like most modern double-circuit wall-mounted gas boilers, South Korean-made boilers are equipped with:

Construction of a double-circuit gas boiler Navien Deluxe Coaxial

Design features of Navien double-circuit boilers

1. Navien boilers have two separate heat exchangers: one for heating, the second for running domestic water. Important feature is that both heat exchangers are made of stainless steel.

Then, like most competitors, only the secondary heat exchanger is made of stainless steel, and the main one is made of copper, or there is only one bithermic copper heat exchanger for heating both circuits. Stainless steel itself guarantees a long service life of the gas boiler.

2. Another important point is that the company produces all the boiler elements itself. Both the pump, the membrane tank and heat exchangers are produced in South Korea. Unlike, say, many others, which often have parts from different manufacturers installed.

3. Electronic board The Navien boiler has a special built-in chip to protect against power surges. The same protection for the “brains” of the boiler is provided only on wall-mounted gas boilers made in Germany, but heating equipment This brand belongs to a different price category.

But, despite this chip, experts still recommend buying one, taking into account our Russian realities, when the range of voltage surges in the power grid can be quite decent.

4. And finally, the most noticeable distinctive feature Korean manufacturers are remote boiler control unit Navien. This is a special box that has a digital display and buttons for controlling the operation of the boiler.

The display shows information about any malfunction or error during operation of this equipment, set temperature of water, coolant, air, as well as time. Using the buttons, the operating parameters are manually set: mode, temperature, turning the boiler on and off.

Navien boiler control unit

For the “Koreans”, it comes complete with a boiler. And you don’t even need to buy wires: both the boiler and the unit already have them. The difference is the boilers of the series Navien Prime And Navien Deluxe Plus . The control unit here is built into the body of the device and, as a result, there is no ambient temperature sensor.

Connecting and installing the Navien boiler

Like all wall-mounted double-circuit gas boilers, the “Koreans” have 5 fittings at the bottom of the body for connecting water and gas. The order of the fittings is from right to left: gas connection, running water inlet and outlet, coolant inlet and outlet.

The diameter of the fittings for service water is 1/2 inch, gas and coolant is 3/4 inch.
Be sure to install on each supply pipe.

Between the boiler and the wall on which it will hang, it is necessary to install protective screen made of stainless steel measuring 1000 by 600 mm for fire safety purposes. Also for correct installation The boiler on the wall includes a special mounting strip.

Connecting the Navien Deluxe Coaxial gas boiler

— good price-quality ratio;
— two heat exchangers made of stainless steel;
— presence of a remote control unit with a built-in air temperature sensor;
— presence of a protective chip against power surges;
— wide range of models and colors;
- cheap spare parts.

Disadvantages of Navien gas boilers:

— noise during operation;
— only original spare parts are suitable;
- Asian brand.

So, we looked at the range of Korean wall-mounted double-circuit gas Navien boilers, their differences, dismantled the external and internal organization boiler Let's watch a video review of the boiler.

Looking at specifications, as well as reviews from owners and specialists, Korean-made Navien boilers are perhaps the best today when choosing heating equipment, if we take into account such parameters as price and quality. Overall, this is a very decent and inexpensive device for modern system heating your private home.

Gas boilersNavien (Navien)- This is highly efficient equipment that can reduce fuel consumption, while ensuring an environmental component in production. Non-volatile equipment includes special technologies, allowing you to save a lot of money on heating a private home.

Over the years, gas boilers heating Navien South Korean products provide consumer comfort, as evidenced by the steady growth in sales of products in this line.

Types of gas boilers Navien

Gas heating equipment has a lot of features and differences. Thus, Navien gas boilers are distinguished:

• by class: economy, standard;
• by installation method: floor, wall;
• by number of circuits: single-circuit, double-circuit;
• according to the material of the main heat exchanger: steel, including stainless steel, cast iron, copper.

The method of removing combustion products should also be taken into account. For example, turbocharged gas boilers can be equipped with a closed combustion chamber, which provides air flow using a 2-channel coaxial chimney vertical or horizontal type.

The catalog of products in this group is widely presented on our website. All you have to do is choose those domestic boilers, which are suitable in terms of power, price and other technical characteristics. Our products have the appropriate certificates and meet all safety standards. The main thing is that the heating systems are operated according to the instructions, and our specialists will carry out the installation and connection at any time convenient for you.

Where to buy a gas boiler?

Our online store offers cheap purchase of Navien gas boilers wholesale and retail. All technical specifications, as well as prices, are indicated on our website. To order a gas heating boiler for your home, you just need to call us. Possible as Express delivery, and pick-up from the point of issue. We offer only high-quality Navien boilers, reviews of which can be read in a special section. Place your order online or by phone to save time.

What could be nicer than the hug of a loved one? Once in them, we leave all worries and problems behind. The peace and warmth that they emit calms and gives strength to fight on. All this is impossible without the comfort of home, where the whole family realizes its importance and members can express their gratitude to each other. Especially in winter I want to come to warm home. But this is impossible without a heating system. The latter must be not only reliable, but also cheap to maintain. Also, the price of basic modules should not skyrocket.

The central component for heating systems is a gas boiler. In regular or online stores you can find hundreds, or even thousands of offers. Models of domestic and foreign production are presented. Due to rising prices, the latter are becoming increasingly difficult to buy. But there is an option that is ideal in almost all criteria - this is a double-circuit gas boiler "Navien". He will become a hard worker and a reliable assistant.

Advantages and disadvantages

A balanced assessment of any matter is greatly appreciated. It is this that allows you to achieve the required result and incur a minimum amount of costs. This approach is also relevant when choosing Navien double-circuit gas boilers. This brand positions its gas boilers as excellent value for money. The strengths include the following:

There are significantly fewer disadvantages of such gas boilers and for many they will be insignificant:

• the price is higher than that of domestic analogues;
• imported spare parts;
• the need for regular maintenance.

In most situations, it is better to overpay than to subsequently suffer from unstable functioning and other shortcomings. The required components will be delivered on time through authorized Navien centers, and without regular maintenance, any device will sooner or later go to a landfill.

The lineup

Navien double-circuit gas boilers are presented in several lines. Each of them has its own specific features that may be required for a particular home. It will be useful to consider each of them separately.

Atmospheric line “Navien” Ace ATMO

Double-circuit boilers of this model range were developed for the most unstable conditions, so they are as unpretentious as possible. The compartment where gas combustion occurs is open. Therefore, when installing such a heating boiler, you will have to take care of a properly designed chimney that will have the required draft. Gas appliances in this subsection are ready to work even at a gas pressure of 4 mbar. IN winter period This can be a huge help in terms of time. The fact is that in houses where a large number of gas boilers are installed, the supply rate can drop sharply when the temperature outside creeps down. But with such a boiler from Navien, you can forget about troubles.

If more than one problem comes and along with the blue fuel supply indicator, the water pressure also drops, then for wall-mounted gas appliances“Navien” doesn’t care at all. The above-mentioned voltage stabilization system perfectly tolerates instability of the power supply network. In the event of any unforeseen situation, the wall-mounted boiler will conduct an independent analysis and display an error code on the control panel. Some can easily be eliminated on their own. Are you planning to leave home and have no one to keep you in check? Don’t worry, the frost protection in wall-mounted gas boilers will do everything for you.

It is easy to adjust the temperature of the Navien boiler in the heating system within the range from 40º to 80º Celsius. Even the most heat-loving people will be satisfied. For hot water supply, this figure ranges from 30º to 60º. The liquid transfer pump in a double-circuit wall-mounted boiler has automatic sensor air, which will immediately release it.

Note! Navien boilers of this type easily operate from both natural methane and liquefied gas, so even in the absence of a centralized supply it will be possible to power it. To make the transition, just use a special kit. Boiler models available gas power which starts at 13 kW and the maximum value is 24 kW.

Line with turbine “Navien” Deluxe Coaxial

Dual-circuit wall-mounted boilers This line is in many ways similar to the previous ones. They also tolerate various changes in gas and water lines well. These double-circuit Navien boilers also cope well with power surges thanks to the SMPS chip. Such boilers are equipped remote control with sensor for better control. But they also have their own certain differences.

The combustion chamber in these wall-mounted boilers is closed, so a different system is used to supply air and remove waste. A special turbine is mounted directly under a specialized compartment double-circuit boiler. It forcibly pumps the volume required for high efficiency and complete combustion of fuel. This boiler system is modulating. The atmospheric pressure sensor monitors its value and controls the fan speed. The lower the pressure, the higher the rotation of the turbine of a double-circuit boiler, so that there is no loss of power. There is no need for massive mines to release the waste. It is enough to acquire a special coaxial pipe for these wall-mounted boilers.

The primary and secondary heat exchangers of double-circuit gas boilers “Navien” are made of stainless steel. Their service life is 6 times longer than similar copper ones. They are less susceptible to corrosion even from hard water. Some may worry that due to the choice of such a material in the production of Navien boilers, their performance will be reduced. But this is compensated for by an intelligent supercharging system.

It is important to know! Representatives of Deluxe Coaxial double-circuit boilers received the highest productivity up to 30 kW. If this turns out to be not enough, then you will need to look towards the Ace subsection TURBO Korea. They have a slightly modified system for working with supply and output atmospheric air, but they will allow you to heat an area of ​​350 to 400 m2.

Boilers with increased efficiency "Navien" NCN

How do you like the proposal to reduce heating costs by 30%? This became possible with double-circuit boilers “Navien” NCN; they use a unique technology that allows more efficient use of available resources. This line combines the advantages of the previous three. There are all protection and control systems. Additionally, the boiler is equipped with a large backlit display that displays Current state. But the whole point is to increase efficiency to 108%. How was this achieved?

There are several factors that contribute to this. In a double-circuit boiler, there is no separate supply of gas first and then air, which is required for its combustion. There is a pre-mixing chamber in front of the burner in the Navien double-circuit boiler, so the substances go there. Next, the mixture is transferred through the turbocharged pressurization unit of the Navien wall-mounted boiler and ignited. But the gases exhausted in a double-circuit boiler are not emitted. They contain a large amount of steam, which is easy to reuse. It enters the condensation unit.

The latter is another heat exchanger, to which a return current is supplied from the common system. Water passing through this component of a double-circuit boiler partially increases its temperature. Therefore, it enters the main burner of a wall-mounted dual-circuit appliance with more high temperature, which means it requires less energy to bring it to the state specified on the control panel. This is how savings are achieved in double-circuit products of this line.

Important! Navien NCN boilers have another nice bonus. These double-circuit wall-mounted boilers are able to adjust their operating parameters depending on the weather. Those. if the temperature outside has dropped by another 10º, then you won’t need to go and turn the thermostat up higher value, everything in the boiler happens automatically. To do this you just need to mount additional sensor, which is installed outdoors.

Instead of a conclusion

Now you own complete information about gas wall-mounted boilers “Navien”, so you can certainly do right choice. Everyone decides for themselves how to assemble and install a heating system. Someone is capable most do the work yourself. You can also independently prepare a site for a double-circuit wall-mounted boiler. But its connection is made only by specialists who can correctly put the dual-circuit unit into operation and sign all documents. Do not skimp on quality, and as a result, on your health, by choosing low-quality double-circuit boilers. You definitely won’t get it back for the remaining amount.