Brochure

42
Automatic Circulating
Water Heaters
Models XWH-1000 XWH-1300 XWH-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
SINGLE HEAT EXCHANGER MODELS
Rough In Dimensions (Single)
Models XWH-2000 XWH-2600 XWH-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
DOUBLE HEAT EXCHANGER MODELS
Rough In Dimensions (Double)
SINGLE HEAT EXCHANGER MODELS
DOUBLE HEAT EXCHANGER MODELS
AOSCA80000 R July 2014 Commercial Catalog_108078_ResidentialFul#7A635.qxd 7/16/14 4:29 PM Page 42