New cooled burner with low NOx emissions (Class 6 - In accordance with European Directive EN 15502).
Energy-efficient synchronous pump, EEI ≤ 0.20.
Copper primary heat exchanger.
Stainless steel DHW plate heat exchanger.
Efficiency ★★★ in accordance with European Directive EEC 92/42 (on sealed models).
Two air inlet holes (right and left side).
Expansion vessel: 8 liters.
3-speed circulator, located on the right side of the boiler (not ErP models).
User-friendly control panel, easy to use with backlit digital display.
The compact dimensions and low weight allow for flexible installation
The boiler can be located almost anywhere in the house.
DIN fittings, to allow for easy installation both as a replacement or in a new building with the same configuration.
Outdoor reset control incorporated (outdoor temperature probe optional).
Water fittings, gas and domestic hot water valves available as option.
QUADRA II can be converted to LPG using the dedicated LPG kit (optional).
Can be combined with BeSMART Control that acts as a Wi-Fi thermostat, thermostat in communication with OTBus, allowing for a wide range of TOP advantages.