Navien Gas Water Heater Installation
43
Caution:
One short radius elbow = 8 feet, One long radius elbow = 5 feet
Total length (L) = H + W
Required
Load (Btuh)
Model
Total length(L: Max. ft)
NR-180(A)
NR-210(A)
NR-240(A)
D= 3”
D=4”
D=5”
D=6”
Till 300,000
2
50
90
100
-
Till 330,000
1
1
50
90
100
-
Till 360,000
2
50
90
100
-
Till 379,000
1
1
50
90
100
-
Till 398,000
2
50
90
100
-
Till 540,000
3
60
90
100
Till 559,000
2
1
60
90
100
Till 578,000
1
2
60
90
100
Till 597,000
3
60
90
100
D= 5”
D=6”
D=7”
D=8”
Till 739,000
3
1
70
100
-
-
Till 758,000
2
2
70
100
-
-
Till 777,000
1
3
70
100
-
-
Till 796,000
4
70
100
-
-
Till 995,000
5
56
80
100
Till 1,194,000
6
-
67
90
100
Exhaust
Condensate
Drain
Blind
“H”
“W”
“D”
Intake
