American Water Heater GAS-FIRED COMMERCIAL WATER HEATER

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.)

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)

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.)

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)

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