10 About the Boiler
Specifications
Unit
NCB700-2S+/42K
NCB700-3S/54K
Flue exhaust/Air intake system diameters
mm
Coaxial Ø60/100 and Ø80/125
Max. gas pipe pressure drop
Pa
294
294
Max. horizontal coaxial length Ø60/100
m
20
Max. vertical coaxial length Ø60/100
m
21
Equivalent elbow length @ 90° Ø60/100
m
2.4
Equivalent elbow length @ 45° Ø60/100
m
1.2
Max. horizontal coaxial length Ø80/125
m
68
Max. vertical coaxial length Ø80/125
m
70
Equivalent elbow length @ 90° Ø80/125
m
2.4
Equivalent elbow length @ 45° Ø80/125
m
1.2
Equivalent length of adapter Ø60/100 => Ø80/125
m
0.5
Hydraulic connection diameter
mm
22
mm
15
mm
22
Dimensions (Width x Depth x Height)
mm
440x353x695
Total boiler weight (lift weight)
kg
39
42
*The factory default is 85°C. To adjust set temperature, refer to “2. Supply MAX Set-point” in “10.7.3 Setting the Operation Parameters” on page 70.