103% efficiency condensing gas boiler for home heating - manufacturer since 2005

Model Number: L2PB-B300 Condensing type 103% Key Specifications/Special Features: This is the smoke condensing gas boiler, 103% heat efficiency, smoke temperature ≤60℃ (data from China government laboratory).Reach to the toppest Level 1 of China energy label.Our condensing gas boiler already passed all china government testing and get seller's permit.Now we start to sale it to whole world and domestic market.- Smoke condensing heat exchanger- Plate heat exchanger for DHW hot water- Independent heating & domestic hot water system- Floor heating (55℃) mode/radiator heating (80℃) mode- Domestic hot water priority- Closed water channel for heating system- Excellent water circulating pump with auto vent valve- Exhaust by powerful blower
- Timing for 24 hours
- Connector of room thermostat
- Concentric chimney

Protection measure
- Anti-freeze protection when heating system below 7℃
- Anti-dry burn protection
- Water pump run 1min when standby 24 hours
- Flameout automatically when exhaust vent suffer high wind
- 3.0bar overpressure release protection
- When burner flameout the gas valve automatic shutdown at once
- 92°C overheat protection
- LCD panel show fault code

Provide heat power 18kW, 24kW, 28kW, 33kW