Index, Flue damper models (figure 2) – American Water Heater GAS-FIRED COMMERCIAL WATER HEATER User Manual
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Flue Damper Models (Figure 2)
Model Designation
Clearances *
Capacity Input A B C D
Sides
and Flue or Ceiling
(GAL) (BTU/hr) (in.) (in.) (in.)
(in.)
Rear
(in.)
Vent
(in.)
(in.)
65 370,000
73.38
64.38
54.13
8 6 6 20
65 399,999
(NAT ONLY)
73.38 64.38 54.13 8
6
6
20
75 300,000
74.63
64.38
54.13
7 6 7 20
80 425,000
83.50
75.38
64.25
10 6 6 20
80 505,000
83.50
75.38
64.25
10 6 6 20
Model Designation
Clearances *
Capacity Input A B C D
Sides
and Flue or Ceiling
(Litres) (kW/hr) (m) (m) (m)
(cm)
Rear
(cm)
Vent
(cm)
(cm)
246.1 108.5 1.87
1.64
1.38 20.4 15.3 15.3 50.8
246.1 117.3
(NAT ONLY)
1.87 1.64 1.38
20.4 15.3 15.3 50.8
283.9 88.0 1.87
1.64
1.38 17.8 15.3 17.8 50.8
302.8 124.6 2.12
1.92
1.64 25.4 15.3 15.3 50.8
302.8 148.0 2.12
1.92
1.64 25.4 15.3 15.3 50.8
Figure 3
Flue Damper Models and Non-Flue Damper Models
Model Designation
Clearances *
Capacity
Input
A
B
C
D
E
Sides and
Flue or
Ceiling
(GAL) (BTU/hr) (in.) (in.) (in.)
(in.)
(in.) Rear
(in.)
Vent
(in.)
(in.)
38 155,000
51.00
43.00
34.75
33.75
6 2
6 20
Model Designation
Clearances *
Capacity
Input
A
B
C
D
E
Sides and
Flue or
Ceiling
(Litres) (kW/hr) (m) (m) (m)
(m)
(cm) Rear
(cm)
Vent
(cm)
(cm)
143.9 45.5 1.30
1.10
0.88
0.86 15.3
5.1
15.3
50.8
Installation (Minimum Clearances) continued-
Index