B6.2 Product description: 1.LED tuch screen, quick start LED touch screen, clear design, easy understand, quick to start. integrated shell. 2.Multiple denoise Multiple noise design with silent burning system, minimum sound volume only 42dB, Just like whisper. 4.Multiple Protection Freeze-proofing, explosion proof, flameout protection, over temperature protection and leakage prevention. Protect you and your family safety 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 . 5.Energy saving model, maximum save 8% gas Energy saving or comfort model, Energy saving model can save gas 7.5%, comfort model has balance temperature, feel more joy 7.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 8.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 . Power: 18kW/24kW Model L1PD20-20B6.2 L1PD26-26B6.2 Maximum heating power(kW) 20/8.5 25.6/9.5 Minimum heating power(kW) 19/7.9 24.9/9 Highest/Lowest gas quantity(m/h) :20/8.2 26/9.2 Heating maximum temperature : 85 Heating temperature range : Radiator:30~80; floor heating: Heating maximum water perssure (Mpa) : 0.3 Tank capacity (L) : 6 6 Heating area : 60~150 80~200 Bathing water Temp.risk 25K(kg/min) 12 15 Bathing water Temp.risk 30K(kg/min) 9 11 Bathing temperature range () 35~60 Bathing water pressure(MPa) 0.02~0.8 Voltage rating (V / Hz) 220V-50Hz Power rating (W) 135 Product size (mm) 800*420*318 Net weight (kg) 37 48 Highest exhaust temperature : 75