Burnham Independence IN10 User Manual
Page 6

6
Figure 2: Section Tappings
Table 1: 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.
Water Boiler
Water Boiler with
Tankless Heater
A
2
Supply
Supply
Supply
Supply
B
½
Bush to ¼
Pressure Gauge
Plug
Plug
Plug
C
½
Gauge Glass
Nipple & ½ Union
Gauge, L.W.C.O. Street
Elbow, Syphon & Limit
Plug Lower Tapping Bush
to ¼ Upper Tapping
Press./Temp. Gauge
Plug Lower Tapping Bush to
¼ Upper Tapping
Press./Temp. Gauge
D
2
Return
Return
Bush to 1½, 3" Npl, Elbow,
2" Npl, Circ. Flange,
Gasket, Circulator Return
Bush to 1½, 3" Npl, Elbow,
2" Npl, Circ. Flange,
Gasket, Circulator Return
E
¾
3" Nipple & Street Elbow
Safety Relief Valve
3" Nipple & Street Elbow
Safety Relief Valve
3" Nipple & Street Elbow
Safety Relief Valve
3" Nipple & Street Elbow
Safety Relief Valve
F
2
Bush to ¾ Drain Valve
and/or Optional Return
Bush to ¾ Drain Valve
and/or Optional Return
Bush to ¾ Drain Valve and/or
Optional Gravity Return
Bush to ¾ Drain Valve and/or
Optional Gravity Return
G
2
Optional Supply (IN3-6)
Required Supply (IN7-12
Optional Supply (IN3-6)
Required Supply (IN7-12
Plug (IN3-12)
Optional Gravity Supply
Plug (IN3-12)
Optional Gravity Supply
H
¾
Bush to ¼ &
Syphon Limit
Bush to ¼
Pressure Gauge
Well
Limit
Well
Limit
J
¾
Not Applicable
Not Applicable
Not Applicable
Tankless Heater
K
¾
Low Water Cutoff
Plug
Plug
Plug
L
1
Factory Plugged
Surface Blow-Off
Factory Plugged
Surface Blow-Off
Factory Plugged
Factory Plugged
M
1¼
Factory Plugged
Alliance Return
Factory Plugged
Alliance Return
Factory Plugged
Factory Plugged
N
1¼
Factory Plugged
Alliance Supply
Factory Plugged
Alliance Supply
Factory Plugged
Factory Plugged
P
¾
Factory Plugged
Alliance Limit
Factory Plugged
Alliance Limit
Factory Plugged
Factory Plugged