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| Product Model | Unit | L1PB20-BTA | ||
| Rated Heat Input | Kw | 20 | ||
| Min. Heat Input | Kw | 6 | ||
| Rated Heating Heat Output | Kw | 18 | ||
| Min. Heating Heat Output | Kw | 5 | ||
| Rated Output Hot Water Δt=30K | Kg/min | 9 | ||
| Gas Type | NG | |||
| Rated Gas Pressure | Pa | 2000 | ||
| Heating Systerm Water Pressure Range | Mpa | 0.05~0.3 | ||
| Safety Valve Openning Water Pressure | Bar | 3 | ||
| Domestic Hot Water Systerm Pressure Range | Mpa | 0.05~0.6 | ||
| The Water Cycle Way Of Heating | Built-in Closed Water Tank | |||
| Water Temperature Adjustment Range | Heating Water Output | °C | 40~80 | |
| Domestic Hot Water Output | °C | 30~60 | ||
| Heat Efficiency | % | 88-94% | ||
| Max.Power Input | W | 105 | ||
| Power Supply | V/Hz | AC220V 50Hz | ||
| Pump lift | m | 5 | ||
| Expansion tank capacity | L | 6.5 | ||
| Insulation Grade | Ⅰ | Ⅰ | ||
| Index Of Protection | IPX4D | IPX4D | ||
| Exhaust Way | Forced Exhaust | |||
| Outside Diameter and Inside Diameter Of Exhaust Smoke Gas | mm | Φ90/Φ60 | ||
| Max.Permissible Flue Length | m | 3 | ||
| Flue Pipe Length Reduction For Elbow | 90°Elbow 90° | m | 1 | |
| 45°Elbow 45° | m | 0.5 | ||
| Fittings | Central heating fitting | Inch | G3/4 | |
| DHW fitting | Inch | G1/2 | ||
| Gas fitting | Inch | G3/4 | ||
| Reference heating square | m2 | <100 | ||
| N.W | Kg | 33 | ||
| G.W | Kg | 35 | ||
| External Dimensions | mm | 710*450*220 | ||
| Packing Size | mm | 850*545*330 | ||
| Loading Quantity | 20ft | Pcs | 180 | |
| 40FT | Pcs | 350 | ||
| 40HQ | Pcs | 445 | ||
gas boiler