Warmhaus Lawa Plus Conventioanal Combi Boiler

Lawa Plus

Lawa Plus
Dimensions Dimensions
725 x 420 x 380 mm. 34,5 kg
Capacity Capacity
18 kW, 24 kW, 28 kW and 32 kW
Control Panel Control Panel
Multifunctional keypad, wide orange LCD screen.
Sound Level Sound Level
54 db
Modulation Rate Modulation Rate
High savings with 1:4 modulation
Efficiency Efficiency
Up to 94% Efficiency

Warmhaus Lawa Plus combi boiler offers efficient heating with its enhanced front panel design.

  • Continuous on-demand hot water with pre-heat
  • Seamless Spare Parts Support
  • Custom Design Metal Front Panel
  • Hot water comfort with high flow rate
  • Domestic water exchanger with stainless steel plate
  • High level of insulation and low heat loss
  • NOx in Waste Gas 3 In the class
  • High quality components
  • Controlled Pump
  • Fully automatic ignition system
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)

Superior Features of Warmhaus

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High Protection System

High Protection System/bypass circuit and prevents the pump from overworking

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Water Pressure Protection System

High and Low Water Pressure Protection System

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Protection Against Freezing

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Continuous On-Demand Hot Water with Pre-Heat

By selecting the pre-heating parameter in your combi, the waiting time for hot water usage is minimized.

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Hot Water Comfort

Hot Water Comfort with Dual Taps and Up to 10,9 Liters per Minute Hot Water Capacity

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Corrosion-Resistant Brass Hydroblock

Featuring brass and composite components that are resistant to thermal stresses and corrosion, ensuring a long lifespan and years of trouble-free use.

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Smart Digital Display

An illuminated, wide information screen that allows you to access information about heating, hot water, pressure, and adjustments.

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Quiet Operation

Operates very quietly thanks to high level of insulation

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Ease of Use

Ease of Use with Summer and Winter Mode

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Fault code display feature

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