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Climate, Heating, Water Heating
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Heating & Boilers
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Boilers
Boilers Gefest-Profi series U (long burning)
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Series
Design
gas conventional
gas condensing
gas with water tank
solid fuel
pyrolysis boiler
long burning boiler
electric boiler
electrode boiler
oil boiler
combi (gas / diesel)
combi (gas / coal)
combi (gas / electricity)
combi (solid fuel / electricity)
Installation
wall
floor
parapet
Type
single-circuit
dual-circuit
Heat output
≤ 5 kW
6 – 10 kW
11 – 15 kW
16 – 20 kW
21 – 25 kW
26 – 30 kW
31 – 35 kW
36 – 40 kW
41 – 45 kW
46 – 50 kW
> 50 kW
Heating area
≤ 50 m²
51 – 75 m²
76 – 100 m²
101 – 125 m²
126 – 150 m²
151 – 175 m²
176 – 200 m²
201 – 250 m²
251 – 300 m²
301 – 500 m²
> 500 m²
Features
autonomous (no electricity)
circulation pump
remote control unit
Wi-Fi (control via Internet)
programmable thermostat
outdoor temp sensor
fuel hopper
hob
summer mode
floor heating mode
coolant min. T ≤ 35 °C
warm start
glass panel
Control bus
Bus BridgeNet
eBus
EMS
OpenTherm
Combustion chamber (for gas)
open (atmospheric)
closed (turbocharged)
Heat exchanger material
aluminium
copper
stainless steel
steel
cast iron
Power source (for electro)
single-phase (230 V)
three-phase (400 V)
roll up
more
Flue diameter
100 mm
110 mm
125 mm
130 mm
140 mm
150 mm
160 mm
180 mm
200 mm
60/100 mm
75/100 mm
80/80 mm (split)
80/125 mm
100/125 mm
100/150 mm
Heating circuit connection
3/4"
1"
1 1/4"
1 1/2"
DHW circuit connection
1/2"
3/4"
1"
1 1/2"
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