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For information, documentation and technical data sheets: info@avalen.it | +39 0974 354619

Avalen Srl
Registered office: Industrial Zone – Via Mario Schiavo, snc - 84053 Cicerale (SA) – IT
VAT number - Tax code: 05400040654

 

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For information and technical data sheets:

info@avalen.it | +39 0974 354619

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AVALEN products

Explore AVALEN solutions, or request the technical data sheet of a specific product

AVALEN Catalog

Browse the latest version of the Avalen Catalog

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Solar Collectors

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Vacuum Solar Collector

ZEFYR

High-performance, technologically refined and sophisticated evacuated tube solar collector, equipped with a compound parabolic concentrator reflector specifically designed for this product. It has among the highest annual energy yields among solar collectors for hot water production. With unique aesthetic features, it is equipped with a double header with the additional purpose of giving the collector greater robustness compared to models in this category. Thanks to precise design objectives, the solar collector allows for the simplification and significant reduction of the distribution lines of the heat transfer fluid and the optimization of available space. A high-quality, solid product that guarantees long-lasting performance, thanks to the manufacturing process and materials used, together with numerous and rigorous internal controls and direct checks on the production lines, some carried out on 100% of the production of each component or subsystem. Available in various sizes to meet all installation needs.

Advantages

- High efficiency even in winter months;
- The highest annual energy yield of a solar thermal collector; DHW production and integration with heating;
- Avalen Made in Italy production;
- Suitable for both small and large systems such as Solar Cooling, industrial process plants, Solar District Heating; 

- Maximization of solar field yield;
- Easy installation and hydraulic connection with long-lasting tested sealing;

- Simple and quick replacement of the vacuum glass tube without modifications or system downtime;
- High quality components;
- Solid and secure mounting kit;
- Solar Keymark and ISO EN 9806 certified;
- Compliant with CE regulations;

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Flat Solar Collector

FG

Solar panel made of a painted aluminum structure, insulated with a layer of rock wool closed at the bottom by an aluminum sheet. Equipped with high-resistance tempered solar glass against atmospheric agents and with a prismatic surface finish. Sealed with EPDM gaskets resistant to temperature and UV rays.
The high efficiency is ensured inside by an aluminum absorber plate with a highly selective film, coupled by laser welding to a harp-shaped copper circuit.
The circuit is equipped with horizontal collector pipes DN 18 (FG 21-25) / DN 22 (FG 27) with four hydraulic connections that allow easy connection.

Advantages

- High efficiency in DHW production;                                             - Recommended for small and large systems; 
- Highly selective absorbing surface;                                             - Copper circuit welded using high-precision laser procedure;
- High-strength low-iron tempered glass;                                      - Very low heat loss thanks to rock wool insulation; 

- EPDM gaskets with high UV resistance;                                      - Solar Keymark and ISO EN 9806 certified; 
- Solid and secure mounting kit;                                                                                      

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Natural circulation systems

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Natural circulation solar system

LittleFlat

Natural system for DHW production with Solar Keymark certified flat plate collectors and anti-legionella storage tank. Powerful, easy and quick installation with instant DHW production through the internal rapid stainless steel heat exchanger. The system is supplied with everything needed for complete installation.

Advantages

- Reduced and simple maintenance;                                                                                          - Solid and secure fixing kit;
- DHW production with rapid internal heat exchanger in AISI 316 L stainless steel;          - Stainless steel exchanger connection ½"
- Anti-legionella system;                                                                                                                - Provision for insertion of electric resistance;

- Solar Keymark certified;                                                                                                              - Expansion vessel on the boiler side included;
- Pre-insulated corrugated steel fittings and piping;                                                                 - Quick and complete hydraulic connection.

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Natural circulation solar system

LittleFlat GL

Natural system for DHW production with Solar Keymark certified flat plate collectors and vitrified tank. Powerful, easy and quick installation with DHW production through the internal heat exchanger. 

The system is supplied with everything needed for complete installation.

Advantages

- Reduced and simple maintenance;                                                                                                   Sturdy and secure mounting kit;
DHW production with internal solar exchanger;                                                                              Double-glazed vitrified boiler;
Provision for electric heating element;                                                                                              Expansion vessel included;
Fittings and piping;                                                                                                                               Quick and complete hydraulic connection;
Highly resistant and durable;                                                                                                              Solar Keymark certification;

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Forced circulation systems

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Forced circulation system

Easy Flat / Easy Flat Pro

The EasyFlat (single coil) and EasyFlat Pro (double coil) systems are forced circulation kits for domestic hot water production with Solar Keymark-certified flat-plate collectors. The double coil ensures integration with various heat sources.

Advantages

- System suitable for even the largest systems;                                                                           - Reliable;
- Option to integrate heating-only boilers;                                                                                      - Digital control unit;
- High-efficiency AE solar module;                                                                                                  - Brackets and antifreeze included with the system up to size 1000L;

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Forced circulation system

SpeedSun / SpeedSun Pro

The SpeedSun (single coil) and SpeedSun Pro (double coil) systems are forced circulation kits for domestic hot water production with Solar Keymark-certified vacuum tube collectors. They can be quickly and easily integrated into an existing system by preheating at the heat source, or, thanks to the use of a double coil, ensure integration with multiple heat sources. Recommended for those seeking a more comprehensive and detailed solution, ensuring reliability and safety.

Advantages

- Reliable and proven management;

- Option to integrate heating-only boilers;
- Can be used with existing and new systems, even the largest ones;

- Digital control unit capable of configuring 1 to 10 different systems;
- High-efficiency AE solar module;
- Brackets and antifreeze included in the system (up to 1000L);
- 85% coverage of DHW for an entire year.

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Forced circulation system

UltraSun HPDC

Forced circulation kit for DHW production with Solar Keymark-certified vacuum collectors, suitable for systems requiring a specific fuel choice, namely electricity. Recommended for those seeking a solution for producing and integrating DHW production thanks to the use of a double coil, particularly the upper one with high exchange capacity, which ensures optimal integration with heat pumps.

Advantages

- Specific and safe management for optimal heat pump exchange;            - Digital control unit capable of configuring 1 to 10 different systems;
- High-efficiency AE solar module;                                                                      - Brackets and antifreeze included in the system;
- 85% coverage of DHW for an entire year.

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Forced circulation system

SpeedSun HP

Forced circulation kit for domestic hot water production with Solar Keymark-certified vacuum tube collectors, complete and quick to install thanks to the integrated heat pump with storage. The high COP of the heat pump makes this system highly versatile, ensuring maximum savings from solar collectors.

Advantages

- Complete and versatile management with easy installation;                                      - Easy installation with existing and new domestic systems;
- Control unit capable of managing and configuring 1 to 10 different systems;        - High-efficiency AE solar module;
- Brackets and antifreeze included in the system;                                                           - 85% coverage of DHW for an entire year;
- Return on investment;                                                                                                        - Thermal account incentive also on heat pumps.

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Forced circulation system for pool

SunPool Pro

Forced circulation kit for domestic hot water production and pool integration with Solar Keymark-certified vacuum collectors, an ideal solution for creating a system that can utilize excess hot water, especially in the summer thanks to the high efficiency of solar panels to heat pool water. Recommended for those seeking a cost-effective and energy-saving solution for producing and integrating domestic hot water and pool water, increasingly enhanced and optimized by solar technology.

Advantages

- Ideal solution, fully exploitable from solar energy;                                               - Digital control unit capable of configuring 1 to 10 different systems;
- Zero stagnation potential;                                                                                        - High-efficiency AE solar module;
-  Brackets and antifreeze included in the system;                                                - 85% coverage of DHW for an entire year.

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Combined forced circulation solar system

HydroComby

Forced circulation kit for domestic hot water production and heating integration with Solar Keymark-certified vacuum collectors, a solution suitable for flexibly combining solar with a boiler and any heat source in both new and existing systems. Furthermore, thanks to the boiler's internal "thermal chimney," or more appropriately called a stratifier, it maximizes water stratification, achieving high performance even with low energy outputs. The removable copper coil ensures instant and safe domestic hot water production. Recommended for those looking for an innovative and compact solution without sacrificing safety and management flexibility.

Advantages

- Compact installation system with flexible management;
- Multi-energy boiler with the option of integrating with various heat sources, particularly heat pumps and biomass;
- Maximized stratification thanks to the "internal chimney";
- Digital control unit capable of configuring 1 to 10 different systems;
- Abundant and continuous supply of DHW with absolute hygiene;
- BiSol 2-12 l/min high-efficiency AE solar module pre-assembled on the boiler;
- Integrated digital control unit with 5 outlets;
- Optimal integration into low-temperature heating systems;
- Easy maintenance of the copper exchanger for DHW production;
- Brackets and antifreeze included with the system;

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Combined forced circulation solar system

PremiumComby

Forced circulation kit for domestic hot water production and heating integration with Solar Keymark-certified vacuum collectors. This complete solution combines solar thermal with the integration of various heat sources, concentrating everything in a single boiler, drawing both technical water for space heating and domestic hot water through a stainless steel rapid heat exchanger immersed in the boiler. The boiler also features a spiral coil at the bottom for solar heating and a spiral coil at the top for further integration. Recommended for those seeking a complete solar kit capable of concentrating any heat generator, whether renewable or non-renewable.

Advantages

- Easy installation and flexible management;                                      - Combined boiler with double coil;
- Possibility of integrating different heat sources;                              - Instantaneous DHW production with AISI 316L stainless steel exchanger;
- Digital control unit capable of configuring 1 to 10 systems;          - High-efficiency BiSol AE solar module;
- Optimal integration with low-voltage heating systems;                  - Dedicated, larger solar coil;
- Brackets and antifreeze included in the system.

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Boilers and thermal accumulators

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Heat pump water heater

SpeedSun HP

Compact boiler for DHW production. Equipped with injected rigid polyurethane insulation, a high-efficiency heat pump, and an integrated digital control unit for managing the solar differential, integration, time slots, recirculation, anti-legionella cycles, and a contact for starting the unit from an external switch. SpeedSun HP boilers produce domestic hot water using proven heat pump technology that uses thermal energy from the air, thus protecting the environment and largely using solar radiation.

 

Main features:

- Electronic anode;                                          - Easy installation;
- Anti-legionella function;                               - Replaces gas and electric water heaters;
- Insulation: 45 mm polyurethane;                - Compressor type: Rotary;
- Refrigerant gas: R290.

Advantages

- Eco-friendly and economical boiler for DHW production;

- Integrated heat pump with high-efficiency compressor for low operating costs;
- Contact for integration with a photovoltaic system;
- Abundant and continuous DHW supply down to -10°C outside;
- Suitable for needs where a boiler is not available or can be considered as an alternative;
- Easy installation, quiet, and reliable;
- Low maintenance and long-lasting, corrosion-free operation;
- Digital control unit with integrated touch panel;
- Various operating modes, including DHW production with heat pump.

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DHW boiler

SpeedSun Mono / SpeedSun Duo

The "SpeedSun" series vertical boilers are designed for the production of domestic hot water thanks to the indirect action of the internal exchanger. They are designed to be connected to traditional systems or alternative energy sources. They allow for the easy and abundant production of hot water even without the use of electricity.

 

Main features:

- Material: carbon steel
- Internal treatment: vitrification DIN 4753.3 UNI 9905
- External treatment: rust-proof paint for 800-2000 L models
- Magnesium anode
- Provisions for recirculation, electric resistance, probes, and thermometer

- Inspection flange ø 180/120 mm
- Finish: black PVC
- Maximum operating pressure: - 10 bar for 150-1000 L models (safety valve setting 6 bar)
- 6 bar for 1500-2000 L models
- Maximum operating temperature for vitrified tanks: 95°C
- Maximum operating pressure for solar coils: 10 bar
- Insulation: - 50 mm thick rigid polyurethane for 150-500 L models
                      - 50 mm thick polyester fiber 100 mm for 800÷2000 L models

Advantages

- Single or double coil boiler for DHW production;                                       - High efficiency for low operating costs;
- Rapid accumulation;                                                                                       - Abundant and continuous DHW supply;

- Suitable for all types of systems, even the most complex;                      - Easy installation and plumbing connection;
- Long-lasting, corrosion-free;                                                                          - Connection for electric resistance.

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DHW Boiler

UltraSun Mono / UltraSun Duo

UltraSun boilers are designed for use in systems with high domestic hot water production.
These products are equipped with one or two fixed internal exchangers with large exchange surfaces, making them particularly suitable for connection to heat pumps. The exchanger tube is specifically designed to increase the boiler's internal flow and allow hot water production even if the liquid in the exchanger does not reach high temperatures.

Main features:

- Material: carbon steel;
- Internal treatment: vitrification DIN 4753.3 UNI 9905;
- Magnesium anode;
- Provisions for recirculation, electric resistance, probes, and thermometer;
- Inspection flange ø 180/120 mm;
- Finish: black PVC;
- Maximum operating pressure: 10 bar (safety valve setting 6 bar);
- Maximum operating temperature: 95°C;
- Maximum operating pressure for solar coils: 10 bar;
- Fixed exchanger.

Advantages

- Single or double coil boiler for DHW production;                                 - Large exchange surface area, ideal for heat pumps;
- High efficiency for low operating costs;                                                - Rapid accumulation;

- Suitable for all types of systems, even the most complex;                - Easy installation and plumbing connection;
- Long-lasting, corrosion-free;                                                                    - Connection for electric heating element;
- Abundant and continuous supply of DHW.

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Flanged DHW boiler

Plury ACS 3 Flange

Three-flange boiler for DHW production, made of carbon steel, complete with anodic protection and internal enameling.

 

Main Features:

- Material: Carbon steel;

- Internal treatment: Enamelling;
- External treatment: Anti-rust paint;

- Threaded connections;

- Removable exchanger tube plate material: Enamelled steel;

- Removable exchanger tube material: AISI 304 stainless steel;
- Insulation (1000L): Rigid PU shells;
- Insulation (1500-2000L): PLFH 150mm;
- Insulation (3000L): PLF 50mm;
- Finish: PVC;
- Anode: Electronic;
- Accessories: Thermometer.

Advantages

- Three-flange boiler for DHW production;

- Can be integrated with various heat sources thanks to the optional installation of removable copper exchangers;
- Can be used empty for preheating only;

- High efficiency for low operating costs;
- Rapid accumulation;

- Abundant and continuous DHW supply;
- Suitable for all types of systems, even the most complex;

- Easy installation and hydraulic connection;
- Long-lasting, corrosion-free;
- Can be integrated with various heat sources.

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Combined boiler

HydroComby

Compact boiler for domestic hot water production and heating integration, featuring an innovative thermal flue and spiral tubular heat exchanger for solar thermal integration. Made of carbon steel and equipped with rigid and soft polyurethane insulation, a removable heat exchanger for rapid domestic hot water production, a BiSol solar station, and a RegoSol Digi 1 Plus digital solar control unit.

Advantages

- Compact boiler for DHW production and heating integration;                        - Instantaneous DHW production with removable exchanger;
- Rapid accumulation;                                                                                               - Abundant and continuous DHW supply with absolute hygiene;
- Suitable for all types of systems;                                                                         - Easy installation and hydraulic connection;

- Long life and stratification with thermal chimney;                                            - Complete with 2-12 l/min and 8-28 l/min solar station;
- Integrated digital control unit with 5- and 5-outputs;                                        - Can be integrated with various heat sources, including heat pumps and biomass;
- Easy maintenance of the DHW exchanger.

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Combined boiler

PremiumComby

The "PremiumComby" series products are combined boilers suitable for storing water for heating and instantaneously producing domestic hot water thanks to an internal AISI 316L stainless steel exchanger. Depending on the chosen combination, the tank can be connected to various energy sources: from gas boilers to diesel, pellet, or wood boilers, solar collectors, or heat pumps.

 

Main features:

- Material: carbon steel;
- External treatment: rust-proof paint;
- Internal treatment: raw;
- Predispositions: probes, thermometers, and electric resistance;
- Maximum operating pressure: 3 bar;
- Maximum operating temperature: 95°C;
- Maximum operating pressure for solar coils: 10 bar;
- Insulation: - 50mm thick rigid polyurethane for the 500 model
                      - 100mm thick polyester fiber sheet for the 800-1000 L models
- Covering: black PVC sheet.

Advantages

- Combined boiler for DHW production and heating integration;              - Instantaneous DHW production with AISI 316L stainless steel exchanger;
- Rapid accumulation;                                                                                       - Abundant and continuous DHW supply with absolute hygiene;

- Suitable for all types of systems;                                                                 - Easy installation and plumbing connection;
- Can be integrated with various heat sources;                                            - Connection for electric resistance.

Puffer

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PRV / PRV1S / PRV-PFV

PRV tanks are used to store heating water in support of systems powered by various energy sources, such as gas or oil boilers, wood-fired boilers, thermo-cookers, and fireplaces. PRV1S tanks, equipped with a fixed internal exchanger, can exploit the energy produced by a solar system or other energy sources. PRV-PFV buffer tanks are used in refrigeration and heating systems. They ensure a constant average temperature, limiting compressor or burner intervention.

 

Main features:

- Material: carbon steel;
- External treatment: rust-proof paint;
- Internal treatment: raw;
- Predispositions: probes, thermometers, and electric resistance;
- Maximum operating pressure (PRV, PRV1S): 3 bar;
- Maximum operating pressure (PRV-PFV): 6 bar;
- Maximum operating temperature: 95°C;
- Maximum operating pressure for solar coils: 10 bar;
- Insulation: - 50mm thick rigid polyurethane for 100-500L models;
                      -PRV, PRV1S 100mm thick polyester fiber sheet for 500-5000L models;
                      - 19mm thick PRV-PFV and 100mm thick soft polyurethane for 800-2000L models;
- Lining: black PVC sheet.

Advantages

- Multifunctional boiler for heating and cooling water;                                             - Can be integrated with various heat sources;
- High efficiency for low operating costs;                                                                    - Rapid accumulation;

- Suitable for all types of systems;                                                                                - Easy installation and plumbing;
- Instantaneous DHW production possible with an external Hydropack;                - Solar heating integration.

Solar Accessories

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Solar station

MonoSol

Single-pipe solar module complete with:

RETURN:
- Flow meter with system fill and drain valves;
- High-efficiency synchronous solar circulator including cables;
- 3-way flanged ball valve with 10 mbar check valve (the check valve can be bypassed by rotating the handle     45°, which also includes a thermometer holder)

    (thermometer with blue ring; 0°C-120°C);
- 6-bar safety group with ø50 mm 0-10 bar pressure gauge with ¾" male connection for expansion vessel. ¾"     F drain outlet;
- Metal back plate secures the group to the insulation and allows for easy installation on both the wall and        the boiler;
-  ¾" M connection up to 8 - 28, 1" M 8 - 38.

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Solar station

BiSol

Double-pipe solar module complete with:

RETURN:
- Flow meter with system fill and drain valves;
- High-efficiency synchronous solar circulator including cables;
- 3-way flanged ball valve with 10 mbar check valve (the check valve can be bypassed by rotating the handle    45°) equipped with a thermometer holder (thermometer with blue ring; 0°C-120°C);
- 6-bar safety group with ø50 mm pressure gauge, 0-10 bar, with a ¾" male connection for expansion vessel.    ¾" F drain outlet.

FLOW:
- Flanged ball valve with 10 mbar check valve (the check valve can be bypassed by turning the handle 45°),   equipped with a thermometer holder (thermometer with red ring; 0°C-120°C);
- Brass deaerator with manual vent valve;
- Connection pipe and connection;
- Metal back plate secures the group to the insulation and allows for easy installation on both the wall and   the boiler.

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Solar station

BiSol 20-70

Double-pipe solar module complete with:

RETURN:
- Flow meter, 20-70 l/min;
- High-efficiency synchronous solar circulator with 0-10 V regulation;
- Ball valve with 18 mbar check valve (the check valve can be bypassed by rotating the handle 45°) equipped with a thermometer holder (thermometer with blue ring; 0°C-120°C);
- T-piece for safety group;
- 6 bar safety group with ø50 mm 0-10 bar pressure gauge with ¾" male connection

for expansion vessel;
- 1" F drain outlet.

FLOW:
- T-piece with ø6 mm probe well;
-  Ball valve with 18 mbar check valve (the check valve can be
overridden by rotating the handle 45°) equipped with a thermometer holder
(thermometer with red ring; 0°C-120°C);
- Connection pipe and connection;
- Metal back plate secures the unit to the insulation and allows for easy installation both on the wall and on the boiler.

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Solar power plant

RegoSol Digi 1

Control unit for controlling solar thermal panel systems equipped with 3 relay outputs (2 for loads + 1 for alarm), a PWM output, a 0..10V output, and 3 inputs (Pt1000-NTC) capable of configuring and managing up to 6 different types of solar systems. By selecting one of the schemes, the control unit will automatically manage the outputs and inputs for the chosen system type. Furthermore, the backlit LCD display will allow you to view the configuration of the system's hydraulic scheme, the status of the outputs, the status of the probes, and numerous other information and data.

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Solar power plant

RegoSol Digi 1 Plus

The RegoSol Digi 1 Plus controller is the smallest in the series. Its functionality has been optimized for use in small and medium-sized solar and heating systems, and it offers 10 preconfigured systems. The RegoSol Digi 1 Plus includes automatic function control. It also features a potential-free low-voltage relay for backup heating and a pulse input for heat balances with a flow meter.

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Solar power plant

RegoSol Digi 3

The RegoSol Digi 3 solar control unit meets the needs of professional installations, controlling and regulating the speed of high-efficiency pumps. The on-board software includes numerous system layouts that can be created using the supplied software. The intuitive and easy-to-understand menu, and the bright display allows for easy control of functions and viewing of the selected layout.

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Ventilated heat sink

Compact aluminum heat sink, complete with electric fan and painted metal shroud, suitable for highly efficient dissipation of excess solar power into the air in summer. This system can be installed in series or parallel with the storage tank on the solar circuit.