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Wolf FGB-K 28 Natural Gas/Butane Condensing Boiler 24.4 / 27.3 kW (Heating/DHW)

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List price: 2,220.00 €
1,399.00 €
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HE-ATR-112
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Wolf FGB-K 28 Natural Gas/Butane Condensing Boiler 24.4 / 27.3 kW (Heating/DHW)

Useful power at 80/60°C: 24.4/27.3 kW
Useful power at 50/30°C: 27.3 kW
Nominal heating output: 25/28 kW
Minimum modulating heat output at 80/60°C: 4.8 kW
Minimum modulating heat output at 50/30°C: 5.3 kW
Hot water supply/return connection (outer diameter): ¾ G
Hot water connection: ¾ G
Cold water connection: ½ G
Gas connection: ½ G
Gas outlet connection: 60/10 mm
Gas category: II2H3P
Natural gas H: 2.42/2.71 m³/h
LPG: 1.95 m³/h.
Natural gas nominal connection pressure (min./max.): 20 (17/25) mbar
LPG nominal connection pressure (min./max.): 37 (25/45) mbar
Efficiency at 80/60°C nominal load (LH/HHV): 98/88%
Efficiency at 30% load and TR = 30°C (LH/HHV): 110/99%
Factory-set flow temperature: 75°C
Flow temperature in hot state (approx.): 85°C
Maximum operating pressure: 3 bar
Hot water flow rate: 2.0/14.4 l/min
Flow rate 1075 l/h: 450 mbar
Minimum flow pressure according to EN 15502-2-2: 0.2 bar Maximum permissible pressure (AQS): 10/65 bar/°C
Adjustable temperature range (AQS): 30/65°C
Specific water flow rate: 13.4 l/min
Total expansion tank capacity: 8 liters
Initial expansion tank pressure: 0.75/0.95 bar
Flue gas temperature 80/60-50/30 at Qmax: 85/65°C
Flue gas temperature 80/60-50/30 at Qmin: 50/40°C
Flue gas flow rate at Qmax: 12.5 g/s
Flue gas flow rate at Qmax: 2.33 g/s
Fan pressure at Qmax/Qmin: 150/8 Pa
Flue gas value group: G52. NOx Class: 6
Condensation Water Flow Rate at 50/30°C: 1.7 l/h
Condensate pH: 4.3
Power Consumption in Standby Mode: 2 W
Maximum Power Consumption: 102 W
Protection Rating: IPx4D
Electrical Connection/Fuse Protection: 230 V/50 Hz/3.15 A
Includes
Fume Outlet Kit
Installation Kit
Dimensions: L 408 x W 680 x D 310 mm
Brand Hemmera:
Wolf

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