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WARNING
AN AMPLE SUPPLY OF AIR MUST BE PROVIDED
FOR PROPER COMBUSTION AND VENTILATION.
Minimum Clearances To Combustibles
Water Blank
Top Side Side Rear Vent Front
All Models 12" (305mm) 18" (457mm) 6" (155mm) 6" (155mm) 6" (155mm) Alcove
CAUTION
Label all wires prior to disconnection when servicing controls. Wiring
errors can cause improper and dangerous operation.
"Verify proper operation after servicing."
ROUGH-IN DIMENSIONS/
CAPACITIES
INSTALLATION CLEARANCES
These boilers are approved for installation on combustible flooring
in an alcove with minimum clearance to combustibles See chart
below.
Two inch clearance is allowable from combustible construction for
hot water pipes.
Sufficient clearance should be provided at one end of the boiler to
permit access to heat exchanger tubes for cleaning. Maximum
operating water supply pressure 160 psi. Gas supply pressure:
13.8" w.c. max., 5.5" w.c. min.
Sufficient area should be provided at the front and sides of the unit
for proper servicing. Clearances of 48" in front and 24" on sides is
recommended. In a utility room installation, the door shall be wide
enough to allow the boiler to enter or to permit the replacement of
another appliance.
LEVELLING
Each unit should be checked after installation to be certain that it is
level.
TABLE 1, ROUGH-IN DIMENSIONS
Models
Dimensions inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm
A
46 1/2 1181 52 1/5 1326 57 3/4 1467 52 7/8 1343 58 1/2 1486 64 1/2 1638 69 1/2 1765 75 1905 82 1/2 2096
B
29 5/8 752 29 5/8 752 29 5/8 752 32 3/4 832 32 3/4 832 32 3/4 832 34 864 34 864 34 864
C
54 3/4 1391 54 3/4 1391 54 3/4 1391 58 1473 58 1473 58 1473 60 1/2 1537 60 1/2 1537 60 1/2 1537
D
1 1/4 NPT 1 1/4 NPT 1 1/4 NPT 1 1/4 NPT 1 1/2 NPT 1 1/2 NPT 1 1/2 NPT 2 NPT 2 NPT
E 7 3/4 197 7 3/4 197 7 3/4 197 7 1/2 191 7 1/2 191 7 1/2 191 7 1/2 191 7 1/2 191 7 1/2 191
F 15 1/2 394 15 1/2 394 15 1/2 394 18 1/2 470 18 1/2 470 18 1/2 470 18 1/2 470 18 1/2 470 18 1/2 470
G
17 1/4 438 17 1/4 438 17 1/4 438 18 9/16 471 18 9/16 471 18 9/16 471 19 1/8 486 19 1/8 486 19 1/8 486
H
4 1/4 108 4 1/4 108 4 1/4 108 4 102 4 102 4 102 4 1/2 114 4 1/2 114 4 1/2 114
J
2 NPT 2 NPT 2 NPT 2 1/2 NPT 2 1/2 NPT 2 1/2 NPT 2 1/2 NPT 2 1/2 NPT 2 1/2 NPT
K 2 NPT 2 NPT 2 NPT 2 1/2 NPT 2 1/2 NPT 2 1/2 NPT 2 1/2 NPT 2 1/2 NPT 2 1/2 NPT
L 1 NPT 1 NPT 1 NPT 1 1/4 NPT 1 1/4 NPT 1 1/4 NPT 1 1/4 NPT 1 1/4 NPT 1 1/4 NPT
M
12 305 14 356 14 356 16 406 16 406 18 457 18 457 18 457 20 508
N
15 1/2 394 16 1/2 419 16 1/2 419 17 1/4 438 17 1/4 438 17 1/4 438 13 3/4 349 13 3/4 349 13 3/4 349
W
32 1/8 816 31 1/8 791 32 1/8 816 30 15/16 786 30 15/16 786 30 15/16 786 31 787 31 787 31 787
Approx.
Shipping
Weight.
780 lbs 354 Kg. 950 lbs 431 Kg 950 lbs 431 Kg 1000 lbs 454 Kg 1075 lbs 488 Kg. 1100 lbs 499 Kg 1125 lbs 510 Kg 1150 lbs 522 Kg 1250 lbs 567 Kg
DW-1810DW-1210 DW-1350 DW-1480 D W-1610DW-720 DW-840 DW-960 DW-1080