Gas boiler Protherm Leo 28 KKV 29.6 kW double-circuit

Weight: 47 kg
Equipment: Display
Description: Type of heating boiler: gas, max. thermal power: 29.60 kW, number of circuits: double-circuit, location: wall-mounted, fuel: natural gas, type of combustion chamber: closed, type of power supply: single-phase, control: electric
Peculiarities: Air vent, built-in expansion tank, built-in circulation pump, safety valve, external control connector, thermometer, water filter
Control: Electronic
Dimensions WxHxD: 450x730x337 mm
Installation: Wall-mounted
Efficiency: 106 %
Fuel: Natural gas
Mains voltage: Single-phase
Thermal power: 5.90 - 29.60 kW
Heated area: 209 sq.m
The combustion chamber: Closed
Max. water pressure in the DHW circuit: 6 bar
Max. water pressure in the heating circuit: 3 bar
Temperature in the DHW circuit: 38 - 63 °С
Heat carrier temperature: 38 - 87 °С
Expansion tank volume: 8 l
Burner: Gas
Coaxial chimney diameter: 60/100 mm and 80/125 mm
Gas connection: 1/2"
Branch pipe for connecting the DHW circuit: 3/4"
Heating circuit connection: 3/4"
Connection of a separate chimney diameter 80 mm: Yes
Nominal pressure of natural gas: 20 mbar
Natural gas consumption: 3.1 cu. m/hour
Number of circuits: Double-circuit
Type of heating boiler: Gas, condensing
Hot water capacity at t 35°C: 12 l/min