• B2


Product description:

1.Internet connect, preheat your home
MACRO second generation WiFi control system, use your phone to connect. Change temperature, ON and OFF, preheat on your phone, even gas quantity, order maintenance 
2.LED tuch screen, quick start
LED touch screen, clear design, easy understand, quick  to start. integrated shell.
3.Energy conservation
One key start ECO mode, reach setting temperature automatic flameout until temperature get under setting temperature, night time automatic select sleep mode, maximum save 15% per day.
4.Multiple denoise
Multiple noise design with silent burning system, minimum sound volume only 42dB, Just like whisper.
5.Precise heating
Automatic fire adaptation, Summer partial combustion, Winter full combustion, Summer the water temperature just right, Winter the water temperature Warm and comfortable, satisfy different season .
6.Multiple Protection
Freeze-proofing, explosion proof, flameout protection, over temperature protection and leakage prevention. Protect you and your family safety



Model L1PD20-18B2 L1PD26-24B2
Maximum heating power(kW) 20/18  
Minimum heating power(kW) 8/7  
Highest/Lowest gas quantity(m³/h) 2.0/0.8  
Heating maximum temperature (℃) 85
Heating temperature range (℃) Radiator:30~80; floor heating:25~60
Heating maximum water
perssure (Mpa)
Tank capacity (L) 6 6
Heating area (㎡) 60~150 80~200
Bathing water Temp.risk 25K(kg/min) 10 13
Bathing water Temp.risk 30K(kg/min) 8 11
Bathing temperature range (℃) 35~60
Bathing water pressure(MPa) 0.02~0.8
Voltage rating (V / Hz) 220V-50Hz
Power rating (W) 130 135
Product size (mm) 720*420*365
Net weight (kg) 35 36