6
Table 2: Trim and Control Installation in Section Tappings
Tapping
Size
(NPT)
Steam Boiler with Probe L.W.C.O.
Steam Boiler with
Float L.W.C.O.
A
2
Supply
Supply
B
½
Bush to ¼ Pressure Gauge
Plug
C
½
Gauge Glass
Nipple & ½ Union Gauge, L.W.C.O. Street Elbow,
Syphon & Limit
D
2
Return
Return
E
¾
3" Nipple & Street Elbow Safety Valve
3" Nipple & Street Elbow Safety Valve
F
2
Bush to ¾ Drain Valve and/or Optional Return
Bush to ¾ Drain Valve and/or Optional Return
G
2
Optional Supply (IN3I-6)
Required Supply (IN7I-12)
Optional Supply (IN3I-6)
Required Supply (IN7I-12)
H
¾
Bush to ¼ & Syphon Limit
Bush to ¼ Pressure Gauge
J
¾
Not Applicable
Not Applicable
K
¾
Low Water Cutoff
Plug
L
1
Factory Plugged
Surface Blow-Off
Factory Plugged
Surface Blow-Off
M
1¼
Factory Plugged
Alliance SL™ Return
Factory Plugged
Alliance SL™ Return
N
1¼
Factory Plugged
Alliance SL™ Supply
Factory Plugged
Alliance SL™ Supply
P
¾
Factory Plugged
Alliance SL™ Limit
Factory Plugged
Alliance SL™ Limit
Figure 2: Section Tappings
Summary of Contents for INDEPENDENCE
Page 4: ...4 Figure 1 Dimensional Drawing...
Page 56: ...56 Manifold and 1 Main Burners XI Repair Parts continued...
Page 62: ...62 XI Repair Parts continued...
Page 64: ...64 XI Repair Parts continued...
Page 72: ...72 U S Boiler Company Inc P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net...