1. GAR Certified | High Efficiency | Smart Comfort
We are proud to introduce the Q21 Series full premix condensing gas boiler, now officially certified under the Gas Appliances Regulation (GAR), meeting the European Union’s stringent safety, energy, and environmental standards.
2. Key Features
Patented Floating-Style Design
Modern and refined appearance with a unique floating panel design, integrating seamlessly into any home decoration.Full Touchscreen Interface
Large high-definition display with full touch functionality—intuitive, responsive, and easy to operate.Up to 107% Thermal Efficiency
Thanks to full premix combustion and advanced condensing technology, the Q21 delivers superior heat utilization and reduced gas consumption.Eco-Friendly & Low Emissions
Designed in accordance with the EU’s energy-saving and carbon reduction goals—clean, efficient, and sustainable.Intelligent Constant Temperature Control
Smart temperature regulation ensures stable hot water for a comfortable bathing experience anytime.
3. Technical Specifications：
| Model | LL1GBQ24/28/32-Q21 |
|---|---|
Nominal heat input(kW) | 24/28/32 |
Rated minimum heat input power(kW) | 4.8/5.6/6 |
Rated maximum heating output power(KW) (60°C/80°C) | 23.3/27.2/31 |
Rated minimum heating output power(KW) (60°C/80°C) | 4.7/5.4/6.2 |
Rated maximum condensing output power (KW) (30°C/50°C) | 25.7/29.9/34.2 |
Rated minimum condensing output power(KW) (30°C/50°C) | 5.1/6.0/6.8 |
Rated hot water productivity(L/min) △t=30K | 11/12/14.5 |
Rated hot water productivity (L/min) △t=25K | 12/14/16 |
Thermal Efficiency (80/60°C) | 97% |
Thermal Efficiency (40/30°C) | 107% |
Energy Efficiency Class | A+ |
Heating Area(㎡) | 140/180/280 |
Power Supply | AC220V~50Hz |
Protection Class | IPX4D |
Dimensions (W×H×D) | 425 × 700 × 260mm |
Applicable Gas Type | Natural Gas |
4. Q21 Series – Where Elegant Design Meets Cutting-Edge Efficiency.
Choose Q21 for a smarter, greener, and more comfortable home heating experience.