Brochure

NOTES:
** Add “P” for packaged boiler (WGO-2
through WGO-6 only). Add “A” for
boiler only (WGO-2 through WGO-9).
(1) No. 2 fuel oil-Commercial Standard
Specification CS75-56. Heating value
of oil-140,000 BTU/Gal.
(2) Based on standard test procedures
prescribed by the United States
Department of Energy at combustion
condition of 13 1/2% CO2 and -0.02”
W.C. draft.
(3) MBH refers to thousands of BTU
per hour.
(4) 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.
STANDARD EQUIPMENT:
■
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 (Taco 007)-When
Ordered
■
High Limit Control with Circulator
Relay and LWCO Function
■
Electrical Junction Box with
Wiring Harnesses
■
Junction Box Cover Plate with
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
DIMENSIONS
Tapping Size
Control
B
2
1
1/2
E
3
1/2
H 3/4
L 3/4
N
1/2
R
1
3/4
Alternate return - “A” units only
Pressure/temperature gauge
Drain Valve
High limit/circulator control
Piping to expansion tank or automatic air vent
Relief valve
(inches) Location
Model P-WGO
A-WGO
Return B L
WGO-2
WGO-3
WGO-4
WGO-5
WGO-6
WGO-7
WGO-8
WGO-9
Dimension (inches)
1 1/4 (circulator flange)
1 1/4 (circulator flange)
1 1/4 (circulator flange)
1 1/4 (circulator flange)
1 1/4 (circulator flange)
not applicable
not applicable
not applicable
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
16 7/8
16 7/8
20
23 1/8
26 1/4
32 1/2
29 3/8
13 3/4
13 1/2
13 5/8
16 7/8
20
23 1/8
29 3/8
26 1/4
10 1/2
Supply “C” (inches)
(inches)
In the interest of continual improvements in product and performance, Weil-McLain reserves
the right to change specifications without notice.
RATINGS
■
High-Eciency Flame-Retention
Oil Burner (Beckett AFG, Carlin
EZ or Riello). Specify 2-Stage Fuel
Unit (optional) if Required.
■
Vent Damper Kit
■
W-M 5 & 10 Year Homeowner
Protection Plan
■
W-M Indirect-Fired Water Heaters
OPTIONAL EQUIPMENT:
WM1410_BRO_018_WGO
*
ENERGY STAR
®
compliant with Version 3.0 Boiler Specification of 87% AFUE only when installed at
the reduced burner rate (R) and with the optional vent damper kit (D). Burners shipped with standard
rate nozzle, reduced rates achieved through nozzle change-refer to burner instructions or boiler’s
rating label for correct selection.
Tappings
Model** Heating
Net Ratings
Draft Loss Through Round (in.) Height (ft.) Approx. Shipping (MBH) (2) (3)
(MBH) (3) (4)
Boiler (in w/c)
WGO-2RD
98
75
WGO-3RD
112
85
WGO-4RD
140
107
WGO-5RD
168
129
WGO-6RD
196
150
WGO-7RD
224
171
WGO-8
322
231
WGO-9
357
257
GPH (1)
Minimum
Chimney
Size
Weight (Lbs)
Rectangular (in.) ENERGY STAR*
WGO-2
98
75
WGO-3
133
100
WGO-4
168
126
WGO-5
203
152
WGO-6
245
184
WGO-7
540
595
645
760
860
930
1030
1135
540
595
645
760
860
930
0.70
0.80
1.00
1.20
1.40
1.60
2.30
2.55
0.70
0.95
1.20
1.45
1.75
2.00 280
86
98
123
148
173
197
266
295
86
115
145
175
212
242
210
.010
.010
.010
.015
.015
.015
.025
.030
.010
.020
.010
.015
.015
.015
8X8
8X8
8X8
8X8
8X8
8X8
8X12
8X12
8X8
8X8
8X8
8X8
8X8
8X8
6
6
6
7
7
8
8
8
6
6
6
7
7
8
15
15
15
15
15
15
20
20
15
15
15
15
15
15
*
*
*
*
*
*
MBH (3)
AFUE (4)
87.0
87.0
87.0
87.0
87.0
87.0
-
-
86.4
85.3
85.0
85.0
85.0
85.0
Burner
Input
Rating
AHRI
Certified
Ratings
Capacity
*