Dimensions
Capacity
Control Panel
Sound Level
Modulation Rate
EfficiencyWarmhaus Lawa Plus combi boiler offers efficient heating with its enhanced front panel design.
| TECHNICAL DATA | UNIT | Lawa 18 & Lawa Plus 18 | Lawa 24 & Lawa Plus 24 | Lawa 28 & Lawa Plus 28 | Lawa 32 & Lawa Plus 32 | |||
| Gas Circuit | Natural Gas* | LPG | Natural Gas* | LPG | Natural Gas* | LPG | Natural Gas* | |
| Gas Supply Pressure | mbar | 20 | 37 | 20 | 37 | 20 | 37 | 20 |
| Gas consumption at maximum heat load (Hi= 9,45 kWh/m³) | m³/h | 2,06 | - | 2,61 | - | 3,15 | - | 3,58 |
| Gas consumption at minimum heat load (Hi= 9,45 kWh/m³) | m³/h | 0,84 | - | 0,84 | - | 1,25 | - | 1,51 |
| Gas consumption at maximum heat load (Hi= 24,44 kWh/m³) | m³/h | - | 0,80 | - | 1,01 | - | 1,22 | - |
| Gas consumption at minimum heat load (Hi= 24,44 kWh/m³) | m³/h | - | 0,33 | - | 0,33 | - | 0,47 | - |
| Central Heating Circuit | ||||||||
| Maximum nominal CH Heat Output | kW | 18,0 | 18,0 | 23,2 | 23,2 | 28 | 28 | 31,6 |
| Minimum nominal CH Heat Output | kW | 7,00 | 7,0 | 7,0 | 7,0 | 10 | 10 | 12,0 |
| Maximum Heating Effiency | % | 92,5 | 92,50 | 93,9 | 93,77 | 94,06 | 93,68 | 93,36 |
| Minimum Heating Effiency | % | 88,1 | 88,1 | 88,1 | 88,0 | 84,41 | 87,96 | 84,10 |
| Temperature adjustment range | °C | 35 - 80 | 35 - 80 | 35 - 80 | 35 - 80 | 35 - 80 | 35 - 80 | 35 - 80 |
| Maximum operating pressure | bar | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Minimum operating pressure | bar | 0.5 | 0.5 | 0.5 | 0.5 | 0,5 | 0,5 | 0,5 |
| Expansion tank volume | ℓiter | 7 | 7 | 7 | 7 | 8 | 8 | 10 |
| Domestic Hot Water Circuit | ||||||||
| Maximum Domestic Hot Water Heat Output | kW | 18,0 | 18,0 | 23,2 | 23,20 | 28 | 28 | 31,6 |
| Minimum Domestic Hot Water Heat Output | kW | 7,00 | 7,00 | 7,00 | 7,00 | 10 | 10 | 12,0 |
| Max. Domestic Hot Water flow rate (Δt: 30 °C) | ℓ/min. | 8,4 | 8,4 | 10,9 | 10,9 | 13,1 | 13,1 | 14,8 |
| Min. Domestic Hot Water flow rate | ℓ/min. | 2,0 | 2,0 | 2,0 | 2,0 | 2,0 | 2,0 | 2,0 |
| Maximum water pressure | bar | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Minimum water pressure | bar | 0,3 | 0,3 | 0,3 | 0,3 | 0,3 | 0,3 | 0,3 |
| Temperature adjustment range | oC | 35 - 60 | 35 - 60 | 35 - 60 | 35 - 60 | 35 - 60 | 35 - 60 | 35 - 60 |
| Electricity Circuit | ||||||||
| Electricity Supply | V AC – 50 Hz | 230 V +%10; -%15 | 230 V +%10; -%15 | 230 V +%10; -%15 | 230 V +%10; -%15 | 230 V +%10; -%15 | 230 V +%10; -%15 | 230 V +%10; -%15 |
| Electricity Consumption | Watt | 110,0 | 121 | 110 | 121 | 136 | 136 | 136 |
| Protection Index | IP | X5D | X5D | X5D | X5D | X5D | X5D | X5D |
| Exhaust Gas Circuit | ||||||||
| Nominal Exhaust Gas Temperature (DHW & CH) | ºC | 120 | 120 | 124,3 | 124,3 | 110 | 110,0 | 115 |
| Minimal Exhaust Gas Temperature (DHW & CH) | ºC | 96,4 | 96,4 | 96,4 | 96,4 | 84,5 | 84,5 | 86,0 |
| Max. Flue Mass Flow Rate (60/80°C - Qn) (DHW & CH) | g/s | 13,66 | - | 15,10 | - | 18,1 | - | 19,7 |
| Min. Flue Mass Flow Rate (60/80°C - Qn) (DHW & CH) | g/s | 10,30 | - | 10,30 | - | 14,0 | - | 15,8 |
| NOx | Class | 3 | 3 | 3 | 3 | 2 | 2 | 2 |
| CO2 (60/80°C - Qn) (DHW & CH) | % | 6,2 | 7,2 | 6,4 | 7,3 | 6,5 | 7,4 | 6,8 |
| General | ||||||||
| Hydraulic Group Material | Material | Brass | Brass | Brass | Brass | Brass | Brass | Brass |
| Maximum Pump Head | mmH2O | 5,6 | 5,6 | 5,6 | 5,6 | 6,1 | 6,1 | 6,1 |
| Dimensions (H x W X D) | mm | 725 x 420 x 288 | 725 x 420 x 288 | 725 x 420 x 288 | 725 x 420 x 288 | 725 x 420 x 380 | 725 x 420 x 380 | 725 x 420 x 380 |
| Device Weight | kg | 29,3 | 29,3 | 29,3 | 29,3 | 34,5 | 34,5 | 34,5 |
| Packed Device Weight | kg | 32.5 | 32.5 | 32.5 | 32.5 | 37.2 | 37.2 | 37.2 |
| Type | C12, C32, C42, C52, C82, B22, B32 | C12, C32, C42, C52, C82, B22, B32 | C12, C32, C42, C52, C82, B22, B32 | C12, C32, C42, C52, C82, B22, B32 | ||||
| Category | I2H (G20 = 20 mbar)- I2H (G20 = 13 mbar)- I3P (G31 = 37 mbar) |
I2H (G20 = 20 mbar)- I2H (G20 = 13 mbar)- I3P (G31 = 37 mbar) |
I2H (G20 = 20 mbar)- I2H (G20 = 13 mbar)- I3P (G31 = 37 mbar) |
I2H (G20 = 20 mbar)- I2H (G20 = 13 mbar)- I3P (G31 = 37 mbar) |
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High Protection System/bypass circuit and prevents the pump from overworking
High and Low Water Pressure Protection System
By selecting the pre-heating parameter in your combi, the waiting time for hot water usage is minimized.
Hot Water Comfort with Dual Taps and Up to 10,9 Liters per Minute Hot Water Capacity
Featuring brass and composite components that are resistant to thermal stresses and corrosion, ensuring a long lifespan and years of trouble-free use.
An illuminated, wide information screen that allows you to access information about heating, hot water, pressure, and adjustments.
Operates very quietly thanks to high level of insulation
Ease of Use with Summer and Winter Mode
