.png){kind=small}
The complete system
Cylinder, collectors, differential thermostat and pump station, as the manufacturer shows them. What each model includes is set out in its description.
1 / 3
Forced circulation solar system
Forced circulation solar system 300 litres, double energy, 4 m² collectorsCode: BL1300/4
A vertical hot water cylinder of 300 or 500 litres, double energy, with one fixed heat exchanger, and 4 to 10 m² of selective collectors, with a pre-assembled kit.
Mastersol BL1 300-500 solar system models
- Delivery across GreeceBy courier or freight, depending on size. The cost is shown at checkout, once you enter an address.
- Pick-up in Patras171 Ag. Ioanni Pratsika St · Mon–Fri 08:30–17:00, Sat 09:00–14:00
- Installation by a partnerPartner installers across Greece.
- 7 years boiler, 15 years collectors warranty from ClimaventisSpare parts and service directly from us.
Installer or retailer? Log in for trade prices
Description
Solar hot water, with the cylinder where you want it.
Forced circulation solar systems are designed for installations with large hot water needs, such as apartment blocks, hospitals, sports facilities and hotels, and also for homes, when the tank cannot sit above the collectors for aesthetic or structural reasons.
The Mastersol BL1 consists of a vertical hot water cylinder of 300 or 500 litres, double energy, with one fixed heat exchanger, and Mastersol selective solar collectors with a total area of 4 to 10 m², depending on the model. It comes with flat-roof frames for the collectors, the Mastersol pre-assembled forced circulation kit (solar pump station), a differential thermostat with sensors, a closed expansion vessel, an automatic filling valve, antifreeze and the connection materials for the collectors, in quantities that match the collectors.
The electric heating element is an option: single-phase 3 kW or three-phase 6, 9 or 12 kW, with or without a thermostat. The differential thermostat compares the collector temperature with the cylinder's and starts the circulator of the pump station when the sun can give heat.
The cylinder is lined inside with Direct Glass liquid enamel, fired at 850 °C, 400 microns thick (DIN 4753 Teil 3 & 6). Mastersol has an ISO 9001 quality management system for the production and sale of solar and electric water heaters.
Mastersol selective collectors4 to 10 m², with flat-roof frames.
Double energySun and electricity, with the heating element of your choice.
Differential thermostatWith sensors, included.
Complete systemPre-assembled kit, expansion vessel, filling valve, antifreeze, materials.
7 and 15-year warrantyOn the cylinder and the collectors.
Highlights
A closer look.
From the manufacturer's photos.
Fixed coil
The cutaway shows the coil in the lower part of the cylinder and the Direct Glass enamelled interior.
Compare the models
Six cylinder and collector combinations.
For each cylinder size there are combinations with a different collector area. Which one suits your needs is something we can work out together.
| Compare the models | BL1300/41,999.56 €This model | BL1300/52,108.53 € | BL1300/62,291.04 € | BL1500/62,541.00 € | BL1500/82,786.38 € | BL1500/103,082.05 € |
|---|---|---|---|---|---|---|
| Collector area | 4 m² | 5 m² | 6 m² | 6 m² | 8 m² | 10 m² |
| Tank capacity | 300lt | 300lt | 300lt | 500lt | 500lt | 500lt |
| Heat exchangers | 1, fixed | 1, fixed | 1, fixed | 1, fixed | 1, fixed | 1, fixed |
| Heat exchanger surface | 1.55 m² | 1.55 m² | 1.55 m² | 1.92 m² | 1.92 m² | 1.92 m² |
| Tank height | 1620 mm | 1620 mm | 1620 mm | 1700 mm | 1700 mm | 1700 mm |
| Tank diameter | 630 mm | 630 mm | 630 mm | 750 mm | 750 mm | 750 mm |
| Tank insulation | 55mm polyurethane, 52 kg/m³ | 55mm polyurethane, 52 kg/m³ | 55mm polyurethane, 52 kg/m³ | 55mm polyurethane, 52 kg/m³ | 55mm polyurethane, 52 kg/m³ | 55mm polyurethane, 52 kg/m³ |
| Tank steel | 2.5mm USD37,2 steel sheet | 2.5mm USD37,2 steel sheet | 2.5mm USD37,2 steel sheet | 2.5mm USD37,2 steel sheet | 2.5mm USD37,2 steel sheet | 2.5mm USD37,2 steel sheet |
| Inner tank lining | Direct Glass liquid enamel (Bayer), fired at 850 °C | Direct Glass liquid enamel (Bayer), fired at 850 °C | Direct Glass liquid enamel (Bayer), fired at 850 °C | Direct Glass liquid enamel (Bayer), fired at 850 °C | Direct Glass liquid enamel (Bayer), fired at 850 °C | Direct Glass liquid enamel (Bayer), fired at 850 °C |
| Maximum working pressure | 10 bar | 10 bar | 10 bar | 10 bar | 10 bar | 10 bar |
| Collector type | Selective, aluminium – titanium | Selective, aluminium – titanium | Selective, aluminium – titanium | Selective, aluminium – titanium | Selective, aluminium – titanium | Selective, aluminium – titanium |
| Collector efficiency | 95% ±2% | 95% ±2% | 95% ±2% | 95% ±2% | 95% ±2% | 95% ±2% |
| Warranty | 7 years boiler, 15 years collectors | 7 years boiler, 15 years collectors | 7 years boiler, 15 years collectors | 7 years boiler, 15 years collectors | 7 years boiler, 15 years collectors | 7 years boiler, 15 years collectors |
Manufacturer's data. The dimensions are those of the cylinder, the diameter with insulation. Prices include VAT, without the electric heating element.
Technical specifications
All the numbers, in one table.
| Solar collectors | |
|---|---|
| Collector area | 4 m² (2 × 2.0 m²) |
| Collector back | 0.5mm galvanised steel |
| Collector efficiency | 95% ±2% |
| Collector frame | Aluminium, one piece |
| Collector insulation | Double mineral wool 4cm |
| Collector type | Selective, aluminium – titanium |
| Riser grid | Copper Φ22 & Φ8 |
| Cylinder | |
| Tank type | Vertical hot water cylinder |
| Tank capacity | 300lt |
| Heat exchangers | 1, fixed |
| Heat exchanger surface | 1.55 m² |
| Tank height | 1620 mm |
| Tank diameter | 630 mm |
| Tank insulation | 55mm polyurethane, 52 kg/m³ |
| Inner tank lining | Direct Glass liquid enamel (Bayer), fired at 850 °C |
| Tank steel | 2.5mm USD37,2 steel sheet |
| Outer casing | Soft PVC, in a colour of your choice |
| Maximum working pressure | 10 bar |
| Maximum test pressure | 15 bar |
| Warranty | |
| Warranty | 7 years boiler, 15 years collectors |
| Ranges | |
| Litres | 300 lt (5-8 users) |
| Special Features | Wi-Fi ready |
Warranty & installation
We are here after you buy.
7 yearson the cylinder
15 yearson the collectors
The cylinder's magnesium anode is a consumable and is not covered.
Warranty form (PDF, in Greek) →By a partner in your area
A partner installer does the site visit, the connection and the first start-up. Ask for a quote together with the product.
Contact us →Sure about the size?
Our engineers calculate your home's heat loss and confirm the choice. The first assessment is free.
Contact us →Before installing
- CollectorsTotal area 4 m² (2 × 2.0 m²). The flat-roof frames are included; for a tiled roof, ask us.
- CylinderHeight 1620 mm, diameter with insulation 630 mm. It goes in a closed room, e.g. the boiler room.
- CircuitThe closed circuit is filled with the antifreeze supplied. The pump station, the differential thermostat, the expansion vessel and the filling valve come with the system.
- Electric heating elementSingle-phase or three-phase, depending on the building's power supply. If you are not sure which one you need, ask us.
Questions
Ask us before you buy.
Our technicians answer every question, from choosing to installing.
2610 334 389 info@climaventis.grWhen do I need a forced circulation system?
When hot water needs are large, e.g. in apartment blocks, hotels or sports facilities, or when the tank cannot sit above the collectors, for aesthetic or structural reasons.
What does the system include?
The cylinder, the Mastersol selective collectors with flat-roof frames, the Mastersol pre-assembled kit (solar pump station), a differential thermostat with sensors, a closed expansion vessel, an automatic filling valve, antifreeze and the connection materials for the collectors. The electric heating element is an option.
Which electric heating element should I choose?
Single-phase 3 kW or three-phase 6, 9 or 12 kW, with or without a thermostat. Which one fits depends on the power supply and the installation; ask us if you are not sure. The system is also sold without a heating element.
Flat roof or tiled roof?
The flat-roof frames are included. For a tiled roof, contact us.
What does the differential thermostat do?
It compares the collector temperature with the cylinder's and starts the circulator when the sun can give heat.
What warranty does it have?
7 years on the cylinder and 15 years on the collectors.
How is it delivered?
Collect it from our shop in Patras, or we send it by carrier. The shipping cost shows in the cart; if it does not show for your area or size, call us for the delivery cost. A plumber installs it; we can suggest a partner in your area.
Related products
See also
Mastersol
Forced circulation solar system 150 litres, double energy, 2.5 m² collectors (1 fixed heat exchanger) (A+)
Fits your power need
1,527.52 €
Mastersol
Forced circulation solar system 150 litres, double energy, 2.5 m² collectors, blue cylinder (1 heat exchanger)
Fits your power need
1,417.15 €
Mastersol
Forced circulation solar system 150 litres, double energy, 3 m² collectors (1 fixed heat exchanger) (A+)
Fits your power need
1,630.40 €
Mastersol
Forced circulation solar system 150 litres, double energy, 3 m² collectors, blue cylinder (1 heat exchanger)
Fits your power need
1,520.02 €
