Navien NFB‑C Series User Manual

25Installing the System Piping
PQ Curve
0
2
4
6
8
10
12
14
0 5 10 15 20 25 30 35
H [ft]
Q [GPM]
NFB-299C
NFB-301C
Q [GPM] 0.0 5.0 11.5 14.5 17.0 19.0 22.0 25.0 28.0 30.0 32.5
H [ft] 0.0 0.7 2.0 3.0 4.0 4.5 6.0 7.8 9.9 11.0 12.6
0
1
2
3
4
5
6
0 5 10 15 20 25 30 35 40 45
H [ft]
Q [GPM]
NFB-399C
NFB-399C
Q [GPM] 0.0 5.0 10.5 15.5 20.0 24.6 27.0 30.0 35.0 40.0 42.0
H [ft] 0.0 0.2 0.5 1.0 1.5 2.0 2.4 2.8 3.6 4.5 4.8

Navien NFB‑C Series Specifications

General

Brand	Navien
Model	NFB‑C Series
Category	Boiler
Language	English