Gas Alphatherm Sigma PTS 28U 28 kW single-circuit

Weight: 37 kg
Equipment: Display
Description: Type of heating boiler: gas, max. thermal power: 28 kW, number of circuits: single-circuit, placement: wall-mounted, fuel: natural gas, liquefied gas, type of combustion chamber: closed, type of power supply: single-phase, at
Peculiarities: Air vent, built-in expansion tank, built-in circulation pump, pressure gauge, safety valve, connector for external control, thermometer
Control: Electronic
Dimensions WxHxD: 420x700x345mm
Installation: Wall-mounted
Efficiency: 93.18 %
Fuel: Natural gas, liquefied gas
Mains voltage: Single-phase
Thermal power: 10.20 - 28 kW
The combustion chamber: Closed
Max. water pressure in the heating circuit: 3 bar
Heat carrier temperature: 45 - 78 °С
Thermal load: 11.50 - 30.10 kW
Expansion tank volume: 8 l
Burner: Gas
Coaxial chimney diameter: 60/100 mm
Gas connection: 3/4"
Heating circuit connection: 3/4"
Connection of a separate chimney diameter 80 mm: Yes
Permissible LPG pressure: 37 mbar
Nominal pressure of natural gas: 20 mbar
Number of circuits: Single-loop
Primary heat exchanger material: Copper
Type of heating boiler: Gas, convection