Brochure

WM2101_BRO_018_WGO
In the interest of continual improvement in product and
performance, Weil-McLain reserves the right to change
specifications without notice.
*
Boiler Size
Supply C (in.)
Return (in.)
Dimensions (in.)
Packaged
with Circulator
Semi-Packaged &
Knocked-Down
B L
WGO-2 1¼ (circulator flange) 1½ 1½ 10½ 13 ¾
WGO-3 1¼ (circulator flange) 1½ 1½ 13½ 16⅞
WGO-4 1¼ (circulator flange) 1½ 1½ 13⅝ 16⅞
WGO-5 1¼ (circulator flange) 1½ 1½ 16⅞ 20
WGO-6 1¼ (circulator flange) 1½ 1½ 20 23⅛
WGO-7 not applicable 1½ 1½ 23⅛ 26¼
WGO-8 not applicable 1½ 1½ 26¼ 29⅜
WGO-9 not applicable 1½ 1½ 29⅜ 32½
Tapping Location Size (in.) Control Tappings
A 1½ Alternative return — semi packaged & knocked down units only
G ¼ Pressure/temperature gauge
D ¾ Drain valve
F ¾ High limit/circulator control
E ½ Piping to expansion tank or automatic air vent
R ¾ Relief valve
RATINGS
Burner
Input
Rating
AHRI Certified
Ratings
Minimum
Chimney Size
ENERGY STAR* Model
4
GPH
5
MBH
5
Heating Capacity (MBH)
6,7
Net Ratings (MBH)
7,8
AFUE Draft Loss Through Boiler (In. w/c) Rectangular (In.) Round (In.) Height (Ft.) Approx. Shipping Weight (Lbs.)
WGO-2 0.70 98 86 75 86.4 .010
8x8
6
15
540
*
WGO-2RD 0.70 98 86 75 87.0 .010 540
WGO-3R 0.80 112 98 85 86.2 .020 595
*
WGO-3RD 0.80 112 98 85 87.0 .010 595
WGO-3D 0.95 133 115 100 86.0 .020 595
WGO-4R 1.00 140 122 106 86.2 .010 645
*
WGO-4RD 1.00 140 123 107 87.0 .010 645
WGO-4D 1.20 168 146 127 86.0 .010 645
WGO-5R 1.20 168 147 128 86.1 .015
7
760
*
WGO-5RD 1.20 168 148 129 87.0 .015 760
WGO-5D 1.45 203 176 153 86.0 .015 760
WGO-6R 1.40 196 171 149 86.1 .015 860
*
WGO-6RD 1.40 196 173 150 87.0 .015 860
WGO-6D 1.75 245 213 185 86.0 .015 860
WGO-7R 1.60 224 196 170 86.0 .015
8
930
*
WGO-7RD 1.60 224 197 171 87.0 .015 930
WGO-7D 2.00 280 244 212 86.0 .015 930
WGO-8 2.30 322 266 231 - .025
8x12 20
1,030
WGO-9 2.55 357 295 257 - .030 1,135
Boiler order options include
Packaged boiler: Assembled block with jacket, collector hood and controls installed (order burner separately); sizes 2–6.
Semi-packaged boiler: Assembled block with jacket and collector hood installed (order burner and trim separately); sizes 2–6.
Knocked-down boiler: Assembled block, all other components are cartoned and shipped separately; all sizes.
STANDARD EQUIPMENT:
BOILER
■
Factory tested and assembled cast
iron section assembly
(jacket and collector hood are not assembled
on 7, 8 and 9 section blocks)
■
Insulated steel jacket
■
Aluminized steel flue collector hood
with flue cap on top outlet
(convertible to rear outlet)
■
Swing-away burner mounting door
■
Refractory blanket and target wall
in combustion area
■
Circulator (when ordered)
− Sizes 2–4: Taco 007e
− Sizes 5–6: Taco 007
■
High limit control with circulator
relay, LWCO function, and integrated
service switch
■
Two vent pipe brackets
■
Pressure / temperature gauge
■
30 PSIG ASME relief valve
(boiler sections tested for 50 PSIG
working pressure)
■
Drain valve
■
Barometric damper
■
Built-in air separator
OPTIONAL EQUIPMENT:
■
High-eciency flame-retention oil
burner
(Beckett AFG, Carlin EZ or Riello).
Specify 2-stage fuel unit
(optional,
Beckett)
if required
■
Vent damper kit
■
Outdoor reset kit - temperature sensor
(wired version part #383-500-126, wireless
version part #386-701-047)
■
Weil-McLain five- and ten-year
homeowner protection plan
■
Weil-McLain indirect-fired
water heaters
LIMITED TRANSFERABLE
WARRANTY:
■
Residential: 20 Years Heat Exchanger;
2 Years Parts
■
Commercial: 10 Years Heat Exchanger;
1 Year Parts
4
Boiler model suxes:
R = Reduced input version—a burner nozzle change may
be required, refer to the burner instructions or boiler's
rating label for correct selection. No separate/additional
damper kit required.
D = High input version—installation of the separate
High Input Vent Damper kit (part # 381800515) is
required, also a burner nozzle change may be required,
refer to the burner instructions or boiler's rating label for
correct selection.
RD = ENERGY STAR 87% AFUE compliant only when
installed with the separate ES Vent Damper kit (part
numbers 381800501 through 381800506) and at the
reduced burner rate.
5
No. 2 fuel oil-Commercial Standard Specification CS75-
56. Heating value of oil-140,000 BTU / Gal.
6
Based on standard test procedures prescribed by the
United States Department of Energy.
7
MBH refers to thousands of BTU per hour.
8
Net AHRI ratings are based on net installed radiation
adequate for the requirements of the building, including
a piping and pickup allowance of 1.15-sucient for normal
conditions. Provide additional allowance only for unusual
piping and pick up loads.
DIMENSIONS
7" diameter
7 ⁄"
20 ¼"
6 ¼"
7 ⁄"
14 ⅛"
4 ⅜"
diameter
burner
opening
for 7"
vent
pipe
B
15 ½"
29 ⁄"
9 ½"
35 ⅝"
3 ⁄"
2 ⅝"
L
DReturn
14"
approximately
E
R
A
G
F
Supply
(C)
Side Front Back Intermediate