Burnham INDEPENDENCE IN10 CANADA Installation & Service Instructions Manual page 6

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