The history of Zehnder steel radiators dates back to 1930. Expanding the family business, Robert Zender decided to create a heater based on the cooling registers of a motorcycle engine. The idea was a success, the design was patented. The products of the Zehnder Group have been known on the Russian market for over 15 years. The brand offers radiators, heated towel rails, cooling and ventilation systems. Classic and designer tubular radiators are made in Germany. Buyers get a reliable heating device for their home or office.
Varieties of radiators Zender
Zehnder steel radiators are created in accordance with the modern aesthetic needs of consumers. In the heating market, they are known for their stylish design, functionality and reliability. There are several popular series in the manufacturer's catalog:
Zehnder Charleston
The batteries are designed for closed heating systems. The design is vertical, the protruding parts of the sections are rounded to prevent injury. The classic series is made of round tubes. Their diameter is 25 mm, thickness is 1.25 mm. Lateral connection to the system. If a bottom connection is required, a thermostatic valve will need to be installed. The Completto model equipped with the necessary element is suitable for the consumer. The radiators are equipped with a built-in valve AV6.
Turned models are horizontal pipe designs. They are designed for temperatures up to 110 ° C and pressures up to 10 bar. The horizontal Zender radiator includes up to 12 sections. Products have vertical stiffeners on the back. Welded brackets provide ease of installation.
The Charleston Retrofit version is ideal for replacing old radiators. The dimensions of the radiators are analogous to cast iron batteries, their center-to-center distance is 500 mm. No welding required during installation.
Vertical models of the Charleston series are 1800 mm high. The batteries are placed on walls near doors or windows. Their color range includes white and other shades of the RAL palette.
When choosing a model, knowledge of the marking will help: the first number indicates the number of pipes, the next three - the height of the product. For example, Charleston 3057 is a three-column model, height 566 mm. The series is presented in a large number of standard sizes.
Zehnder Excelsior
Design series with flat tubes welded to two manifolds. The Zender battery, which does not interfere with the passage of a large amount of daylight, is used in floor mounting on balconies with panoramic glazing. Zehnder tall tubular radiators are installed as light-transmitting heating partitions. Models are single-row and double-row. From a height of 1800 mm, they receive stabilizing supports. The maximum size is up to 2.5 m. The distance between the sections is 30-60 mm. The working pressure of the Excelsior batteries is 5 bar. By special order, products of reduced height, special shape, withstand loads up to 8 bar are made.
Zehnder Runtal Arteplano
Slim rectangular panel radiators are designed for vertical and horizontal installation. Product specifications:
- working pressure - 4.6 bar;
- coolant temperature - 80 ° C.
The surface of the batteries is absolutely smooth.They are available in 60 finishes, including metallic.
Bench radiators
The series of unusual execution is distinguished by the arrangement of a wooden bench over the metal structure. Floor-standing models have metal legs to provide a secure base for the structure. There are 3 types of batteries:
- The Charleston Relax branded product is sold with a plywood seat. Metal elements are arranged vertically.
- The Bank model is produced without a bench, it is small in size, vertical design, height is 430 mm.
- The Bank-radiator version is produced with horizontal tubes and is sold without a seat.
Products in the form of benches are installed in the halls of public buildings or private houses. This is a great option for relaxing after a cold street.
Zehnder Nova
Zender radiators of the Nova series consist of flat oval pipes. Due to their shape, a solid panel is formed on the outside of the device. Models are single-row and double-row, they are equipped with a decorative cover and convection lamellas. The batteries are offered in horizontal and vertical design. They are designed for a pressure of 4.5 bar, a temperature of 120 ° C.
Scope of Zehnder heating radiators:
- apartments;
- frequent houses;
- medical and educational institutions;
- offices;
- shopping centers.
Additionally, special designs are available. Buyers can order a model for increased pressure, special shape, galvanized. The main color of the products is white, but about 700 other color options are applied at the request of the customer.
Charleston Battery Specifications
Each section of the radiator consists of vertical steel tubes, laser welded to the upper and lower manifolds. Available in 5 models, from 2-column to 6-column. Section depth from 62 to 210 mm. With an increase in the number of elements in a section, the thermal power of the equipment increases. The main characteristics of Zender batteries will help buyers with a choice:
- height - 190-3000 mm;
- section length - 92-3000 mm;
- working pressure - 10 bar;
- maximum pressure - 15 bar;
- working temperature - 120 ° C.
The products are durable and have a solid construction. Reliability of painting is guaranteed by the use of powder paint with a preliminary surface primer. When installing heaters in rooms with high humidity, it is recommended to choose models with galvanized coating.
Installation features
Connecting Zender brand heaters is more than 35 ways of connecting. The consumer can choose a side, bottom or top connection with the heating medium pipeline. Each option received an individual number. When ordering batteries on the manufacturer's website, it is indicated to ensure correct connection to the heating system.
With lateral connection, the connection is organized on one side or diagonally. Lower eyeliner gives more options. The connection of the inlet and outlet of pipes is spread along the edges, placed on one side or in the center.
When marking the installation site, the following intervals are taken into account:
- from the floor - 70-150 mm;
- from the windowsill - 50 mm and more;
- from the wall - 30-50 mm.
Mounting brackets are included with the heatsink. The area for hanging is marked in accordance with the rules. A drill is used to drill holes for self-tapping screws that fix the fasteners. The accuracy of the placement of the brackets is checked with a level. The final stage is hanging the radiator. The thermostatic valve built into the Charleston Completto is installed at the top or bottom of the battery. After connecting the thermal head, it is ready to adjust the temperature in the room. In order not to damage the paint, it is recommended to carry out installation work without removing the protective film.Shut-off valves (valves) are installed at the inlet and outlet of the connection.
Operating rules:
- The heating medium in the system is water or non-freezing liquid.
- Radiators are compatible with steel, copper and metal-plastic pipes.
- Batteries must be constantly filled with liquid to prevent corrosion of the material.
- Heating devices must not be operated at negative room temperatures. This leads to rupture of the structure.
- Drainage of water is possible in an emergency and during preventive maintenance.
Care of radiators consists in cleaning the surface with a soft cloth moistened with soapy water.
Benefits of Zender radiators
The popularity of tubular radiators is justified by their numerous advantages:
- The use of quality materials and laser welding ensure the reliability and durability of the structure.
- The large area of the tubular batteries contributes to the rapid and uniform heating of the room.
- The laconic design and durable coating make the radiators versatile devices that fit into any interior.
- A variety of standard sizes, connection options and colors allows the buyer to choose the optimal model for their own heating system.
- The design features of the batteries ensure that they can be kept clean.
- Convenient mount complete with a radiator speeds up installation work.
The official representative office of the Zehnder concern is located in Moscow, but heating devices can be bought in many large cities of Russia.
