Categories: Fully Premixed Condensing Wall-Mounted Boiler
| Item / Parameter | Unit | Model:LL1GBQ40 |
| Rated Max Heat Input for Heating | (kW) | 40 |
| Rated Min Heat Input for Heating | (kW) | 8.0 |
| Rated Max Heat Output for Heating (80 / 60℃) | (kW) | 38.0 |
| Rated Min Heat Output for Heating (80 / 60℃) | (kW) | 7.6 |
| Rated Max Condensing Heat Output for Heating (50 / 30℃) | (kW) | 39.6 |
| Rated Min Condensing Heat Output for Heating (50 / 30℃) | (kW) | 8.0 |
| Rated Heat Input for Domestic Hot Water (DHW) | (kW) | 40.0 |
| Rated Thermal Efficiency | (%) | >96 |
| Energy Efficiency Class | – | 1 |
| Power Supply | – | 220V ～ / 50Hz |
| Rated Electrical Power | (W) | 168 |
| Minimum Load Electrical Power | (W) | 120 |
| Standby Electrical Power | (W) | 2.5 |
| Enclosure Protection Rating | – | IPx4 |
| Electric Shock Protection Class | – | Class I |
| Gas Type | – | 12T Natural Gas (2000Pa) |
| Reference Gas Consumption | (m³/kW·h) | 0.04 ～ 0.10 |
| Applicable Gas Pressure Range | (Pa) | 1500 ～ 3000 |
| Reference Heating Area | (m²) | 200~350 |
| Heating Temperature Selection Range | (℃) | Radiator 30～80 / Underfloor 30～60 |
| Heating Differential Temperature Setting | (℃) | 10 ～ 30 |
| Heating System Working Pressure | (MPa) | 0.05 ～ 0.3 |
| Expansion Vessel Pre-charge Pressure | (MPa) | 0.1 |
| Expansion Vessel Capacity | (L) | 8 |
| DHW Temperature Adjustment Range | (℃) | 30 ～ 60 |
| DHW Minimum Starting Pressure | (MPa) | 0.03 |
| DHW Minimum Starting Flow Rate | (L/min) | 2.5 |
| DHW Yield (ΔT=25℃) | (kg/min) | 22 |
| DHW Applicable Pressure | (MPa) | 0.05 ～ 0.6 |
| Heating System Applicable Pressure | (MPa) | 0.05 ～ 0.25 |
| Heating System Protection Pressure | (MPa) | 0.3 |
| Water Pump Head | (m) | 7 |
| Connection Pipe Sizes | (G”) | Gas 3/4 Heating 3/4 Hot Water 1/2 |
| Flue Pipe Diameter | (mm) | Coaxial 100 / 60 |
| Dimensions | (mm) | 740x410x388 |
| Net Weight | (kg) | 37 |
| Heating Area (m²) | Required Users | Applicable Scenario | Recommended Power (kW) |
| 70-120 | 4 | Standard Apartment, Heating & Hot Water | 24 |
| 120-170 | 6 | Large Apartment or Multi-Bathroom | 24-30 |
| 170-220 | 8 | Villa or Cold Region | 30-36 |
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