10 About the Boiler
Specifications
Unit
NCB300-28K
NCB300-37K
NCB300-41K
Flue exhaust/Air intake system diameters
mm
Coaxial Ø60/100 and Ø80/
125–Dual duct Ø80/80
Max. gas pipe pressure drop
Pa
167
294
294
Max. horizontal coaxial length Ø60/100
m
8
Max. vertical coaxial length Ø60/100
m
8
Equivalent elbow length @ 90° Ø60/100
m
1.3
Equivalent elbow length @ 45° Ø60/100
m
1.0
Max. horizontal coaxial length Ø80/125
m
27
Max. vertical coaxial length Ø80/125
m
28
Equivalent elbow length @ 90° Ø80/125
m
2.2
Equivalent elbow length @ 45° Ø80/125
m
1.0
Equivalent length of adapter Ø60/100 => Ø80/125
m
0.5
Max. dual duct length Ø80/80
m
9
Equivalent elbow length @ 90° Ø80
m
2.2
Equivalent elbow length @ 45° Ø80
m
1.4
Hydraulic connection diameter
Central Heating
mm
22
DHW
mm
15
Gas supply
mm
22
Dimensions (Width x Depth x Height)
mm
395 x 283 x 680
Total boiler weight (lift weight)
kg
29
33
33
Summary of Contents for NCB300-28K
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