Floor-standing condensing boiler with integrated stratified buffer tank VSC 206/4-5 150 ecoCOMPACT 0010015449

Floor-standing condensing boiler with integrated stratified buffer tank 150.8 l

This solution combines a gas boiler and a domestic hot water (DHW) buffer tank in a single, compact unit – eliminating the need for an additional external boiler. The 150.8-liter stratified tank ensures that hot water remains at the top while cold water enters at the bottom, delivering higher efficiency compared to traditional coil-heated tanks. The initial DHW output is 329 liters in 10 minutes, sufficient for simultaneous use at multiple outlets (e.g., shower + kitchen tap).

The device achieves an efficiency of 108% (Hi), thanks to advanced condensing technology that recovers heat from water vapor in the flue gases. In DHW preparation mode, efficiency reaches 102%, meaning part of the energy from condensation is used directly for water heating, with no loss to the surrounding environment.

The boiler operates within a power range of 4.3 to 21.5 kW at a temperature difference of 50/30°C – ideally suited for underfloor heating systems and low-temperature radiators. Maximum power during DHW heating is 24 kW, and the Aqua Power Plus system allows temporary power increase of up to 21% during periods of high hot water demand.

The ELGA system regulates the gas-air mixture in real time, even under reduced gas pressure conditions in winter. This ensures stable combustion while reducing fuel consumption. Additionally, the anti-legionella function automatically heats water above 60°C once daily, without requiring manual intervention.

The heat exchanger is made of stainless steel, and the hermetically sealed flue gas collector ensures long-term reliability and safety. Integrated expansion vessels: 15 l for the heating circuit and 5 l for DHW – no external expansion required. The high-efficiency pump and adjustable flow temperature (30–80°C) enable precise adaptation to existing installations.

Dimensions: height 1640 mm, width 599 mm, depth 693 mm – the compact design allows installation even in small boiler rooms or space-constrained areas. Weight without water: 129 kg; with full tank: 284 kg – requires a stable base and adequate access for installation.

The unit complies with ErP directive requirements (Class A for heating and DHW) and is listed on the ZUM register as an eco-friendly device. Connections: gas (3/4"), supply and return (3/4"), DHW and cold water (3/4") – all standard, facilitating easy integration with existing installations.