Part number 550-141-825/1211
41
GOLD
WTGO
OIL-FIRED NATURAL DRAFT WATER BOILER — SERIES 3 — Boiler Manual
SERVICE TECHNICIAN ONLY — read and follow completely.
Figure 31 WTGO dimensions — inches (mm)
Dimensions
Supply
7 ¾
[196.9]
Air vent or
expansion
tank
35
[904.9]
Return
2
⁄
[61.9]
2
⁄
[61.9]
1 [28.6]
9 ½ [241.3]
5
⁄ [128.6]
4 Dia
[111.1]
Burner
opening
20 ¼
[514.4]
6 ¼
[158.8]
29
⁄
[750.9]
For 7 dia.
[177.8]
Vent pipe
Alternate
return
(“A” boilers
only)
7 Dia.
[177.8]
2 ⁄ [65.1]
7 ⁄
[182.6]
2
[66.7]
15 ½
[393.7]
14
Approx.
B
L
7 Dia
[177.8]
7 Dia
[177.8]
Left side Front
Intermediate Back
14 [358.8]
Boiler model WTGO-3L WTGO-3 WTGO-4 WTGO-5 WTGO-6 WTGO-7 WTGO-8 WTGO-9
B
inches
13
1
/
2
13
1
/
2
13
5
/
8
16
7
/
8
20 23
1
/
8
26
1
/
4
29
3
/
8
mm
342.9 342.9 345.9 428.7 508 587.2 666.7 746.2
L
inches
13
3
/
4
16
7
/
8
16
7
/
8
20 22
1
/
8
26
1
/
4
29
3
/
8
32
1
/
2
mm
349.2 428.7 428.7 508 587.2 666.7 746.2 825.5
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