A.O. Smith 3400 - Manual (Page 6)

6
DIMENSIONS AND CAPACITY DATA
TABLE 1. ROUGH IN DIMENSIONS (SINGLE)
Models XB-1000 XB-1300 XB-1700
Dimensions inches mm inches mm inches mm
Flue Outlet Diameter 6 152 8 152 8 203
Air Intake Diameter 6 152 6 152 8 203
Water Inlet 2 inch NPT 2 1/2 inch NPT
Water Outlet 2 inch NPT 2 1/2 inch NPT
Gas Inlet 2 inch NPT 2 inch NPT
A 47 1199 49 1245 57 1448
B 67 1702 68 1727 76 1930
C 29 737 29 737 29 737
D 37 940 38 965 37 940
E 23 584 23 584 24 610
F 9 229 9 229 9 229
G 34 864 34 864 34 864
H 44 1118 45 1143 45 1143
J 6 152 6 152 6 152
K 11 279 11 279 11 279
L 12 305 11 279 12 305
TABLE 2. OPERATING CHARACTERISTICS
Models
(XB)
Manifold Pressure Maximum Supply Pressure Minimum Supply Pressure
Type of Gas Inches W.C. kPa Inches W.C. kPa Inches W.C. kPa
1000, 1300, 1700
2000, 2600, 3400
Natural
Min Fire -0.2 to - 0.3 -0.05 to - 0.07
14.0 3.49 4.0 1.0
Max Fire -3.0 to -3.9 -0.75 to -0.97
Propane
Min Fire -0.1 to - 0.3 -0.025 to -0.07
14.0 3.49 4.0 1.0
Max Fire -3.6 to -4.9 -0.90 to -1.22
FIGURE 1. SINGLE HEAT EXCHANGER BOILER
AIR INTAKE
FLUE OUTLET
A
L B
E
7 7/8"
F
J
G
H
55 1/2"
C
K
31 3/8"
D