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