Corner toilet with cistern - types, design features, installation options

The parameters of bathrooms in apartments do not always have sufficient area for the standard placement of all key plumbing fixtures. The solution to this problem lies in clearly thinking through the location and choosing compact models of functional key items. One of which is a corner toilet with a cistern - an advantageous design for the original design of an adjacent bathroom.

In this article we will analyze in detail the advantages and disadvantages of such toilet models, possible installation schemes and focus on the features of their connection to communication networks. We will supplement the presented material with visual photos and useful tips on choosing a suitable toilet for installation in the corner of the bathroom.

Pros and cons of corner plumbing fixtures

The design of corner toilets is practically no different from the standard version. The difference lies in the shape of the tank; it is made in the form of a triangle, although this design does not have any effect on the volume of the container.

A toilet in the corner of a bathroom or toilet allows you to increase the free space in the room and makes its interior extraordinary. By filling the corners with plumbing fixtures, you can visually increase the internal space by acquiring rounded shapes.

Corner toilets are available in two versions:

• Monoblock
  . The model is a structure of two connected parts, a floor-standing toilet and a flush cistern.
• Compact
  . This model uses a wall-hung toilet, and the tank is installed in a corner niche. In some cases, the water supply and drainage system is disguised behind a false wall. When purchasing such structures, you must remember that their weight can be up to 500 kg.

If the bathroom in the apartment is separate, then additional devices can be placed in the toilet room, for example, a bidet and a corner wall-hung toilet. Suspended structure

The main advantage of corner toilets is the strength and reliability of the cistern. In such cases, it is made of solid material, which completely eliminates the formation of leaks.

Most of the corner-type models are equipped with an emergency system, thanks to which, in the event of a breakdown, excess network water is directed into a special overflow channel. Installing such plumbing equipment allows the owner not to think about the problem of flooding of neighbors below.

Among the disadvantages of such models is the rather large weight, which should be taken into account when installing a corner toilet. To install wall-hung toilets, you must choose a solid wall. In the case of plasterboard wall structures, it is necessary to place a strong embedded material under the sheathing. The toilet is attached to it with bolts, the length of which should be sufficient to pass through the wooden elements and grip the main wall.

Manufacturers

The most popular companies producing corner installations among domestic users use the following technical solutions for fixing the frame to the side walls:

Cersanit - Aqua series is equipped with special hinge-type holders that allow you to attach the upper part of the frame to the walls in straight areas and in the corners of the room.

Wisa – the Exellent XS WC model is equipped with holders with rounded ends, inside of which a groove is cut for fasteners.

Geberit – the Duofix collection includes one model with hinged profiles for installation in corners.

If pressing the structure tightly into a corner is hindered by the riser passing there, another installation method is possible.

The same frame can be mounted near a straight wall.

Grohe – kit for corner mounting of installation systems.

Viega – side strips in three levels with mounting holes.

Tece is a special mounting corner module for all models of installations from this manufacturer.

Villeroy & Boch – brackets with hinges.

AlcaPlast – corner fastener with sliding strip.

The products of the companies Roca and Vitra do not have such factory fasteners. Less popular brands have the following technical solutions:

• Tece additionally offers a triangular bracket with dowel-nails and two corners for gypsum board sheathing;

• German manufacturer Mepa produces a slider-hinged module made from VariVit bent profile;

• Oli manufactures universal angle fasteners suitable for installations by most manufacturers.

Theoretically, there is another way to install a conventional wall installation, from absolutely any manufacturer, in the corner of a bathroom. To do this, you need to assemble a frame from a profile, drill the racks of this structure and the corresponding rack profile of the installation itself, and secure it with bolts.

Types of corner toilets with a cistern

Recently, more and more often, consumers are choosing non-standard plumbing fixtures, which are characterized by original appearance, comfort and functionality. This category of products includes corner toilets, which not only have a different cistern shape from standard models, but also some features of the installation process.

When choosing a corner toilet, you need to consider various factors. In particular, we are talking about the material of manufacture, the shape of the bowl, the type of sewer outlet and the method of fastening the plumbing. It is worth noting that such products are presented in a less wide range compared to the classic version.

Material of manufacture

In the production of corner toilets, standard materials are used, such as plastic, porcelain, earthenware.

The material for the manufacture of most plastic toilets is acrylic, reinforced with fiberglass and special resin. The products are lightweight and simple, have a high degree of strength and a non-porous structure. This is the main advantage of plastic toilets. However, such plumbing does not tolerate temperature changes and strong mechanical stress.

Porcelain toilets are characterized by higher strength, which significantly increases the service life of such products. Corner toilets with a complete cistern are made from white clay with the addition of quartz and feldspar, which makes the structure of the material less porous. The final coating – a special glaze – ensures the surface of the toilet is perfectly smooth, making maintenance of the equipment quick and easy. The disadvantages include a higher price level.

Earthenware toilets are among the plumbing fixtures with an affordable price. Thanks to additional firing of earthenware products and glazing at the final stage of production, the porosity of the material is reduced, the service life of finished products is increased, and maintenance of plumbing fixtures becomes more convenient and faster. The average service life of earthenware toilets is about 15 years.

Bronze and steel toilets, as well as plumbing fixtures made from natural materials, are much less common, since the cost of such products is very high. This is the main reason for low consumer demand, so the model range is very rarely replenished with new products.

In public places you can often find corner toilets made of galvanized steel. They are a structure in which the toilet is combined with a sink. Therefore, such equipment can be classified as anti-vandal goods.

Most standard models are made of porcelain. In their production, high-quality materials are used, which are characterized by a low degree of moisture absorption. Such models retain their functional and visual qualities throughout their entire service life.

Types of designs

Corner sanitary fixtures are produced in two types:

• Hanging.
• Floor-standing.

Recently, hanging models with corner installation have become increasingly popular, as we see in the photo. Such designs are made from earthenware, porcelain, plastic, artificial or natural stone and even glass. Also, models can be of different colors, with ornaments and patterns. Moreover, corner toilets can be supplemented with all sorts of functions:

• Microlift system for smooth lowering of the lid.
• Hygienic shower.
• Bidet lid.

Combining several functions, corner structures allow you to carry out all the necessary hygiene procedures using one sanitary item.

Advantages of hanging models:

• Requires a minimum of free space.
• Thanks to the panel that covers the drain mechanism, the noise from draining water is muffled.
• Easy to use and keep clean.
• Reliable and durable.
• They do not interfere with the installation of heated floors and tiles.

Floor designs will appeal to those who want to decorate their toilet room in a stylish and original way. Such toilet models, as in the photo, are produced in different colors and from different materials. Taking into account financial capabilities and personal preferences, you can purchase a corner toilet made of plastic, sanitary ware, natural or artificial stone, glass or porcelain.

Our range:

Floor-standing toilet Jacob Delafon 66 x 36.5 cm E0525-00 RUB 16,998

Floor-standing compact toilet OWL Vind Cirkel-G OWLT190303 with DP microlift seat RUB 14,350

Floor-standing compact toilet OWL Vind Cirkel-GL OWLT190301 with DP microlift seat RUB 14,150

Floor-standing toilet with cistern * dual-mode fittings 3/6 liters Boheme 941 white 37,652 RUR

43300 rub.

Bowl shape

The shape of the corner toilet bowl can influence many criteria for assessing plumbing fixtures. In particular, we are talking about the degree of comfort when using the toilet, the presence of splash and noise when flushing, as well as saving water.

Toilets are available on the market in the following options:

• Corner models with a shelf
  . With this shape of the bowl, all dirt remains in the recess of the shelf, which creates some inconvenience in use. Firstly, the waste products will emit an unpleasant odor. Secondly, in most cases, you have to use a brush to completely remove dirt. Thirdly, this bowl shape promotes the formation of a water seal with the constant presence of water. This leads to the formation of lime deposits, urinary stones and rust. In addition, a large amount of water is consumed. On the positive side, toilets with a shelf are characterized by the absence of splashes when flushing.
• Sloping toilets
  . In such models, the back or front wall has a certain slope, which almost completely blocks the unpleasant odor. The inclined wall allows waste to fall directly into the water, but in most cases the use of a brush is still required.
• Funnel-shaped toilets
  . The funnel-shaped bowl almost completely eliminates the need to use a brush. Such models are characterized by the greatest hygiene and efficiency, which is associated with minimal water consumption. As for the unpleasant odor, it is completely absent. The disadvantage of toilets with a funnel-shaped bowl is the formation of a large amount of splashes when washing away contaminants. This problem was solved by the anti-splash system, which is equipped with modern models of funnel-shaped toilets.

Rating of the best models

Floor-standing corner toilets

VitrA Arkitekt 9754B003-7201

A fairly compact model from a Turkish manufacturer, combining both elegant design and high-quality quality. Made from glazed porcelain, the non-porous surface of which does not absorb moisture or unpleasant odors. The funnel shape ensures minimal splashing. Equipped with a horizontal outlet (into the wall) and a mechanism for smoothly lowering the lid. The cascade type flow helps to effectively clean the bowl. The product is easy to clean and with regular care does not lose its original appearance even after long-term use.

VitrA Arkitekt 9754B003-7201

Advantages:

• high level of strength;
• load degree up to 0.6 tons;
• economical;
• ease of installation;
• comfortable use;
• easy care and hygiene;
• aesthetic design;
• acceptable price.

Flaws:

• difficulties arise when cleaning the container in the wall area;
• In some cases, defective elements are found.

Ideal STANDART Connect Space E119501

The model perfectly combines constructive solutions and modern design.

A bowl made of faience is in no way inferior to porcelain models, fully corresponding to them both in terms of strength and durability, and in terms of aesthetics. The oval shape of the toilet offers the owner all the advantages of a traditional configuration, while combining style and elegance. Fits perfectly into the interior of any bathroom. Thanks to the more universal horizontal exhaust system, the toilet can be installed either close to or at some distance from the wall. The bowl of the product has a special shape that prevents excessive splashes, splashes and unpleasant odors. The mechanism of the drainage tank provides 2 drainage modes - full and half, contributing to the economical consumption of water.

Ideal STANDART Connect Space E119501

Advantages:

• compactness;
• practicality;
• economy mode;
• high quality materials;
• easy to care for;
• Ease of use;
• long service life.

Flaws:

• not suitable for tall and obese people;
• high price.

Jacob Delafon Odeon Up 18557K

A compact toilet from a French company, equipped with a funnel-shaped porcelain sink, a thermoduric seat - a lid with a micro-lift function and a pentagonal-shaped tank with a double button.

The presence of corrugation allows installation both “to the wall” and to the “floor”. In addition, the model has a silent bottom supply, all-round flushing and an anti-splash function.

Jacob Delafon Odeon Up 18557K

Advantages:

• optimizes room space;
• efficiency;
• quick installation;
• Ease of use;
• easy care;
• elegant appearance.

Flaws:

• sometimes there may be a lot of splashing;
• Over time, the button sinks in an empty tank.

Hatria You&Me YXZ601

The model is made of sanitary faience in high-tech style. Equipped with a horizontal type of outlet (into the wall), a “microlift” function, as well as a comfortable plastic seat.

The oval-shaped bowl is washed by a funnel-shaped stream of water. The glazed surface prevents the growth of bacteria, the formation of lime deposits and the accumulation of various types of contaminants. The anti-splash system prevents large amounts of splashing when flushing.

Hatria You&Me YXZ601

Advantages:

• high quality;
• reliability and versatility;
• you can select the drain mode (depending on the installation);
• easy to care for;
• convenient use;
• unique design.

Flaws:

• short warranty period;
• high price;
• difficult installation (due to the heavy weight and bulkiness of the structure).

SEREL Friendly 6706

The peculiarity of this model is the special shape of the drain. It is offset relative to the center of the toilet with a lower water level in the hole. The manufacturing material is porcelain. The tank fittings and fasteners are of fairly high quality and are resistant to corrosion. The water supply is carried out from the bottom of the tank. There are also 2 drain modes - full and economical.

The glazed surface is quite dense and smooth, has low water absorption, which does not allow dirt and numerous bacteria to settle on it. The set also includes a comfortable seat made of Duroplast.

SEREL Friendly 6706

Advantages:

• complete set that greatly simplifies the purchasing and installation process;
• economical water consumption;
• simple installation;
• high level of comfort during use;
• hygiene;
• ergonomic design;
• affordable price.

Flaws:

• accumulation of dirt behind the tank in the corner area.

Creavit Corner SD310

A bidet toilet consisting of a faience bowl made in the shape of an oval, a triangular tank and a seat cover made of duroplast. The model is equipped with a special coating that prevents the growth of microbes and greatly simplifies the care of the product.

There is also a “microlift” function, a double flush button for complete and economical water consumption, a bidet for taking a hygienic shower, as well as a bottom liner.

Creavit Corner SD310

Advantages:

• complete hygiene of use;
• practicality;
• economical use of water;
• no significant splashes;
• smooth lowering of the lid;
• easy to care for;
• long service life.

Flaws:

• made of sanitary ware, which is inferior in strength and moisture resistance to sanitary porcelain.

The best hanging corner models

Roca Mateo 346200000 + Geberit Sigma 111.300.00.5

Plumbing kit consisting of a wall-hung toilet and a corner installation.

The design of the toilet is an oval bowl, made of sanitary porcelain and equipped with a comfortable seat-lid. The outlet type is horizontal, it has a microlift function and an anti-splash system.

The corner installation consists of a steel frame, a plastic tank and a panel with two buttons. The kit also includes a water pipe and a sewer elbow.

Roca Mateo 346200000 + Geberit Sigma 111.300.00.5

Advantages:

• full set;
• high degree of strength;
• economical water consumption;
• Ease of use;
• easy to care for;
• long service life.

Flaws:

• not the easiest installation;
• in case of serious damage, the partition must be dismantled.

Ifo Special RP731300200 + Geberit Sigma 111.300.00.5

Plumbing kit for concealed installation, consisting of a corner installation and a wall-hung toilet.

The installation consists of a steel frame with a plastic tank, a drain pipe, an outlet sewer elbow and a two-button panel.

The toilet itself is a rimless bowl made of porcelain, equipped with a comfortable lid-seat. The outlet type is horizontal, with an anti-splash function.

Ifo Special RP731300200 + Geberit Sigma 111.300.00.5

Advantages:

• ready-to-install kit that does not require the purchase of additional parts;
• double drain mode;
• the ability to regulate the volume of drainage;
• reliability, strength and safety;
• withstands weight up to 400 kg;
• Ease of use;
• easy to care for;
• acceptable price.

Flaws:

• complex installation;
• inaccessibility of some areas for repair work (sometimes it is necessary to resort to dismantling the partition).

Cersanit City Clean On MZ-CITY_Con-S-DL + Geberit Sigma 111.300.00.5

A complete sanitary kit, including a wall-hung toilet and a corner installation.

The material used to make the toilet bowl is earthenware. Due to the anti-splash function, excessive splashing during flushing is eliminated. The seat-lid is made of duroplast and has a smooth lowering mechanism (without clapping).

The installation includes a rectangular steel frame, a plastic tank, a two-button panel, and piping. The kit contains all the necessary fasteners.

Cersanit City Clean On MZ-CITY_Con-S-DL + Geberit Sigma 111.300.00.5

Advantages:

• full set;
• high level of strength;
• the ability to regulate the volume of drainage;
• aesthetic appearance;
• practicality;
• ease of use and care.

Flaws:

• difficult installation;
• during operation, cracks may appear on the seat;
• The bowl shape is not entirely convenient for men.

Toilet outlet type

The comfort of using the toilet does not depend in any way on the type of sewer outlet; no external differences were noticed either. However, the location of the sewer hole and its dimensions should be taken into account when choosing a toilet.

For consumers, toilets are presented in three main types:

• With horizontal outlet
  . Such models are chosen if the socket of the sewer pipe is located at a height of 5-10 cm from the floor.
• With vertical outlet
  . The design of the toilet involves a drain hole directed downwards, which allows you to save as much space in the bathroom as possible. However, it is worth understanding that this arrangement of the sewer hole can only be found in private individual houses. Apartment buildings have a different sewer system structure.
• With oblique release
  . Most of the manufactured toilets have such an outlet; they are connected to a socket, which is located at a short distance from the floor level or at an angle to it.

It is important to make the right choice of toilet outlet, since it is impossible to replace a model with a horizontal outlet with a toilet with a vertical outlet. In this case, the position of the socket will need to be changed.

Criterias of choice

To choose a reliable and not too expensive model of a corner toilet, you need to know which parameters are given special attention. Because having all the necessary knowledge will allow you to make the perfect purchase, which will not disappoint you later and will not cause you to feel regret.

Here's what to consider when choosing:

1. Location. This kind of structure can be placed parallel to the wall surface with a slight displacement of the drain tank to the side. Plumbing fixtures located diagonally relative to the corner of the bathroom are also popular. A drain bowl of this design is placed at an angle of 45 or 90 degrees. In some rooms, installing corner models seems impossible, since the location of the riser is along the wall. This design requires additional supply in the form of hoses and corrugations.
2. Connection method. To successfully install the toilet, you should make sure that it can be connected to utilities. Cold water can be supplied to the corner model from the side and bottom. To avoid having to make unnecessary eyeliners, you should choose a model that fully matches the communications already existing in the house.
3. Design. If the bathroom has a specific design style or is made in a single color scheme, then the toilet must be chosen taking into account all the requirements for its appearance. There are also additional design solutions that can make the design even more luxurious - a lid made of transparent material, various kinds of inlays, and decorative elements.
4. Options. Toilets can come in a variety of sizes. Therefore, before purchasing, you should take measurements of the place where it will be located. At the same time, you must also take into account the fact that it must fit organically into the existing environment in the bathroom.
5. Material of manufacture. When choosing a toilet, you must pay attention to the material from which the product is made. The modern palette of materials is quite extensive. To make toilets, they use not only the usual earthenware, but also tempered glass, porcelain and even plastic. However, the most practical model is made of ceramics or earthenware. It goes well with any interior design.
6. Manufacturer. If you want to purchase products of high quality and reliability, without spending an impressive amount on it, you can pay attention to domestic models. However, imported products have a more attractive appearance. And their high cost is justified by their long service life. Models made in Germany and Italy are invariably in high demand.
7. Functional. Directly corner toilets in most cases are equipped with additional functions, which is sure to attract special attention from potential buyers. Thus, there are products with a built-in hygienic shower or bidet. This functionality significantly increases the level of ease of use of the toilet.
8. Price. The cost of the corner model differs from the prices of classic rectangular plumbing fixtures. On average, you will have to pay twice as much for a toilet designed to be placed in the corner of the bathroom.

Thus, taking into account all the presented criteria, you should carefully consider whether the corner model will suit the existing situation in the room. If you don’t find any difficulties or obstacles to purchasing, you can safely go to the store to make a purchase.

Methods for installing corner toilets

Based on the type of installation, there are floor-mounted and wall-hung toilets. The first option involves placing and installing the drain mechanism directly on the floor, in the second case - on the wall.

Installation of a floor-mounted corner toilet is carried out according to a standard scheme, so special knowledge and time are not required when deciding how to install a corner toilet.

A wall-hung corner toilet involves the use of a special corner installation in the form of a metal frame. During the installation process, a sewer pipe and water supply are connected to it and a drain tank is installed.

The installation can be located in a pre-arranged niche in the wall or simply in a corner. In any case, the design implies complete camouflage of the cistern and the supplied communications.

Another type of corner toilet is the attached model. Similar plumbing fixtures are also located in the corner, but the vertical axis in this case is directed along one of the walls, and not diagonally. The toilet bowl in such designs has an asymmetrical offset, which allows you to install the toilet close to the wall.

Depending on the type of water supply to the cistern, there are models with bottom and side supply. The first option has some advantage due to the silent collection of water into the drain tank.

An attached-type toilet for installation in the corner of the bathroom also allows you to hide elements of communication systems in the wall or in a special bedside table, which most often comes with the toilet.

How to save money?

Owners of tiny bathrooms can also save on purchasing a toilet. Since not everyone is willing to pay a lot of money for corner models, there is an option to simply purchase a compact toilet that will fit successfully into the corner of the room.

Compact designs have a smaller tank width so it can easily fit into any corner. Plumbing of this type looks harmonious. And the cost of such products can be an order of magnitude lower than corner models. For example, a budget option will cost from 3,000 rubles.

Modern plumbing is represented by a variety of models; manufacturers have long moved away from classical standards. The main task of the equipment is to solve the problems of interior design in the bathroom. And corner toilets do an excellent job of organizing limited space.

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Using corrugated pipe for installation

Corner toilets are non-standard products with their own design and installation features. First of all, for a high-quality installation of a toilet diagonally, it is necessary to have a correct connection to the sewer pipe.

In most multi-storey buildings, the sewer riser is located along the wall, which causes some inconvenience when installing corner-type equipment. The solution to the problem in such a situation can be an adapter in the form of a piece of corrugated pipe. You need to know what sizes the corrugations for a toilet bowl are in order to choose this element correctly.

Installation work in this case involves the following steps:

• Determine the location of the toilet, try on the product and outline its boundaries. In addition, mark the points of future holes for dowels, using special holes on the toilet leg as a basis.
• Then, using a drill, they make holes in the floor, install the plumbing in place and secure it with dowels.
• Take a corrugated pipe and insert one end into the hole in the sewer riser. The joint is coated with silicone sealant. The other end is put on the toilet outlet and also ensures the tightness of the connection.
• Next, proceed to install the drain tank. The container is placed on the toilet shelf, the drain holes are aligned, preventing the silicone gasket from moving out of place, which prevents the structure from leaking. The installed tank is fixed with special screws.
• Then the structure is connected to the water supply system using a flexible hose.
• After this, seal the gaps between the toilet seat and the floor covering with sealant so that debris and dirt do not get under the base of the plumbing fixture.
• Finally, check the functionality of the toilet and the tightness of all connections. For this purpose, the drain tank is filled with water and drained by pressing a button.

Connection using adapters

You can connect the toilet to the sewer riser using a pipe. The choice of this element must be made taking into account the type of toilet outlet.

Toilets with an oblique outlet can be installed on the floor or in the wall. For wall-mounted models, the socket of the sewer pipe should be located at an angle of about 400.

Installation of toilets with vertical outlet

Toilets with vertical outlet are purchased by owners of apartments with old layouts or private cottages. The advantage of such models is the hidden location of the working parts of the toilet and the possibility of installation at a minimum distance from the wall.

The installation process involves the following steps:

• Mark the location of the plumbing fixtures taking into account the size of the corner toilet.
• Install a screw flange into the hole to connect the drain to the sewer pipe. It is worth noting that almost every model with a vertical outlet is equipped with elements for sealing connections.
• Install the toilet, trying to align the holes as much as possible.
• The installed toilet is turned slightly to the side so that the fastening elements are completely aligned. Thanks to the presence of an o-ring, complete tightness of the connection point is ensured.

Installation of a toilet with horizontal outlet

Corner toilets with horizontal outlet are very easy to connect to the socket of a vertical sewer riser. In this case, the plumbing will be located at a short distance from the wall, while the angular design makes the connecting elements invisible.

To connect the corner toilet with a horizontal outlet and the socket of the sewer riser, use a special cuff or corrugated pipe. The joints between the connecting elements and the outlets must be coated with silicone sealant. This will prevent wastewater from leaking and prevent unpleasant odors from entering the room.

In some cases, the horizontal outlet turns out to be slightly offset in relation to the socket of the riser. This problem can be solved by using a corrugation or a set of an angle and a small pipe. To connect the toilet, use a rubber cuff.

Prices for acrylic stone sinks

Even the simplest acrylic sinks are more expensive than earthenware and metal ones.
The average cost of a custom-made stone sink in Moscow is 9,000 – 12,000 rubles. This price includes a design project and installation of a sink in the countertop, as well as communications. When ordering a sink made of acrylic stone, it is important to think about its execution. The sink will last a long time - if desired, it can be used for ten years

Therefore, stone sinks are considered affordable – even at an initially high price.

Connecting a toilet with an oblique outlet

In most apartments in multi-story buildings built in the mid-twentieth century, the sewer and water supply systems were made of cast iron, and the sewer pipe outlets were oblique. For this reason, there is a need to look for ways to connect toilets to an outlet of exactly this shape.

To connect a toilet with a corner outlet to a cast iron sewer, you need to prepare a special mixture. To do this, take 1 part red lead and 3 parts drying oil, and combine all the components. It should be remembered that the red lead quickly precipitates, so constant stirring is required. The resulting mixture is applied to the toilet drain hole. Next, the bell is wrapped very tightly with caramel, leaving one end free. Then red lead is reapplied and the toilet outlet is inserted into the sewer socket.

There is another option that does not require the preparation of special solutions. In this case, you need to purchase a corrugated rubber cuff from a plumbing store. One end of the cuff is placed on the toilet outlet, the other end is connected to the socket of the sewer riser. Corrugations for connecting the toilet to the drain system allow, if necessary, to install plumbing equipment with a slight offset in relation to the central drain.

Connecting a corner toilet to a water supply system made of polymer materials is carried out according to a similar scheme. However, in this case there is no need to use joint sealing compounds.