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400-liter hot water storage tank with high-performance heat exchanger for heat pumps
The SUNEX FISH S15 400 X is a vertical hot water storage tank with a 400-liter capacity, specially designed for use with heat pumps. Thanks to the large-surface heat exchanger (approx. 3.8 m²) and the high-quality enamel coating according to DIN 4753, this storage tank ensures reliable and hygienic hot water preparation for single-family and multi-family homes. ✅ Your advantages at a glance: Large high-performance heat exchanger: 3.8 m² heat exchanger surface for highly efficient heat transfer High-quality enamel coating: Protective layer according to DIN 4753 for long-lasting corrosion protection Magnesium anode: Additional protection against corrosion (optionally available with titanium anode) Excellent thermal insulation: 50 mm PUR foam insulation reduces heat loss to a minimum. Minimum
📊 Technical data SUNEX FISH S15 400 X:
| Capacity: | 400 liters |
| Efficiency coefficient NL: | 32.5 |
| Constant output (80/10/45): | 92 kW or approx. 2250 l/h |
| Max. operating temperature: | 95°C (storage tank) / 110°C (heat exchanger) |
| Max. operating pressure: | 10 bar (storage tank) / 16 bar (heat exchanger) |
| Heat exchanger capacity: | approx. 21 liters |
| Heat exchanger surface area: | 3.8 m² |
| Insulation: | 50 mm polyurethane foam |
| Diameter with insulation: | approx. 690 mm |
| Storage tank diameter without insulation: | 580 mm |
| Storage tank height: | approx. 1650mm | Weight (empty): | approx. 145 kg
Cold/Hot Water Connections:
1" Rp (Internal Thread)
Heat Pump Connections:
1" Rp (Flow/Return)
Circulation Connection:
¾" Rp
Inspection Opening:
125/180 mm
Material and Protection:
Material: S235JR High-quality steel
Automatic welding for permanent tightness and precision
Enameling according to DIN 4753 for reliable hygiene and corrosion resistance
Magnesium anode standard (titanium anode available as an option)
Outer casing: Gray paint finish
Insulation: CFC-free rigid polyurethane foam
Note: All technical data is based on manufacturer data from SUNEX and complies with the official product specifications.
SUNEX 400-liter hot water storage tank with high-performance heat exchanger for heat pumps | TEKE e.U
SKU
FISHS15400X
400-liter hot water storage tank with high-performance heat exchanger for heat pumpsThe SUNEX FISH S15 400 X is a vertical hot water storage tank with a 400-liter capacity, specially designed for use with heat pumps. Thanks to the large-surface heat exchanger (approx. 3.8 m²) and the high-quality enamel coating according to DIN 4753, this storage tank ensures reliable and hygienic hot water preparation for single-family and multi-family homes. ✅ Your advantages at a glance: Large high-performance heat exchanger: 3.8 m² heat exchanger surface for highly efficient heat transfer High-quality enamel coating: Protective layer according to DIN 4753 for long-lasting corrosion protection Magnesium anode: Additional protection against corrosion (optionally available with titanium anode) Excellent thermal insulation: 50 mm PUR foam insulation reduces heat loss to a minimum. Minimum 📊 Technical data SUNEX FISH S15 400 X:
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