The extensive Ferroli range includes high efficiency condensing, combi (combination), system, regulation and cast-iron models. Ferroli are at the forefront of innovation in the boiler market and their quality is second to none. Read more about Ferroli boilers.
Ferroli Sigma 20-40 Boiler
Boiler Model:Sigma 20-40
Brand: Ferroli
Manufacturer: Ferroli SpA
Boiler Type: Regular
SEDBUK Efficiency Rating: D
Seasonal Efficiency: 78.20%
Fuel Type: Gas
First Manufactured: 2001
Last Manufactured: Current
Mounting Position: Wall
Condensing: Non-Condensing
Flue Type: Room Sealed
Fan Type: Fan
Average Power Usage: 5.5 KW/h
Maximum Power Usage: 11.7 KW/h
Electric Power Firing: 0 Watts
Water Storage Volume: 0 Litres
Insulation Thickness: 0 mm
