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Models
Dimensions
Flue Outlet Diameter
Air Intake Diameter
Water Inlet
Water Outlet
Gas Inlet
A
B
C
D
E
F
G
H
J
K
Input Rating
Output Rating
Models
(Btu/hr)
XW-1000
920,000
XW-1300
1,300,000
XW-1700
1,700,000
XW-2000
2,000,000
XW-2600
2,600,000
XW-3400
3,400,000
FIGURE 2. DOUBLE HEAT EXCHANGER BOILER
TABLE 3. ROUGH IN DIMENSIONS (DOUBLE)
XB/XW-2000
inches
mm
8
203
8
203
47
1194
78
1981
36
914
22
559
40
1016
7
178
10
254
4
102
20
508
12
305
TABLE 4. RECOVERY CAPACITIES
Water
40
(Btu/hr)
Flow
(22)
GPH
2,593
854,680
LPH
9,815
GPH
3,664
1,207,700
LPH
13,868
GPH
4,791
1,579,300
LPH
18,136
GPH
5,636
1,858,000
LPH
21,336
GPH
7,327
2,415,400
LPH
27,737
GPH
9,582
3,158,600
LPH
36,271
XB/XW-2600
inches
8
8
3 inch NPT
3 inch NPT
2 inch NPT
49
1245
80
2032
37
22
41
1041
6
10
4
19
12
Temperature Rise - ΔT °F (°C)
60
70
80
(33)
(39)
(44)
1,728
1,482
1,296
6,543
5,608
4,907
2,442
2,094
1,832
9,246
7,925
6,934
3,194
2,738
2,395
12,090
10,363
9,068
3,758
3,221
2,818
14,224
12,192
10,668
4,885
4,187
3,664
18,491
15,850
13,868
6,388
5,475
4,791
24,181
20,726
18,136
7
XB/XW-3400
mm
inches
203
10
203
10
4 inch NPT
4 inch NPT
3 inch NPT
57
91
940
37
559
22
41
152
6
254
10
102
4
483
19
305
13
90
100
(50)
(56)
1,152
1,037
4,362
3,926
1,628
1,465
6,164
5,547
2,129
1,916
8,060
7,254
2,505
2,255
9,483
8,534
3,257
2,931
12,327
11,095
4,259
3,833
16,121
14,508
mm
254
254
1448
2311
940
559
1041
152
254
102
483
330
120
140
(67)
(78)
864
741
3,272
2,804
1,221
1,047
4,623
3,962
1,597
1,369
6,045
5,182
1,879
1,610
7,112
6,096
2,442
2,094
9,246
7,925
3,194
2,738
12,090
10,363
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