Gas Alphatherm Sigma PTS 28 28.3 kW single-circuit

Weight: 38.5 kg
Description: Type of heating boiler: gas, max. heating power: 28.30 kW, number of circuits: single-circuit, location: wall-mounted, fuel: natural gas, liquefied gas, combustion chamber type: closed, type of power supply: single-phase,
Peculiarities: Air vent, built-in expansion tank, built-in circulation pump, pressure gauge, safety valve, connector for external control, thermometer
Control: Electronic
Dimensions WxHxD: 450x750x330 mm
Installation: Wall-mounted
Efficiency: 92.2 %
Fuel: Natural gas, liquefied gas
Mains voltage: Single-phase
Thermal power: 11 - 28.30 kW
Heated area: 230 sq.m
The combustion chamber: Closed
Max. water pressure in the heating circuit: 3 bar
Heat carrier temperature: 35 - 83 °С
Thermal load: 12.50 - 30.70 kW
Expansion tank volume: 8 l
Burner: Gas
Coaxial chimney diameter: 60/100 mm
Gas connection: 1/2"
Heating circuit connection: 3/4"
Connection of a separate chimney diameter 80 mm: Yes
Permissible LPG pressure: 37 mbar
Nominal pressure of natural gas: 13 - 20 mbar
Number of circuits: Single-loop
Primary heat exchanger material: Copper
Type of heating boiler: Gas, convection