18
Part 1 - General Safety Information Part 3 - Prepare the Boiler for Installation
34
1
8
"
19
3
4
"
2
3
8
"
3"
2
5
8
"
2
5
8
"
3"
3
5
8
"
2
3
4
"
3
3
4
"
9
3
4
"
6
3
8
"
3
5
8
"
38
1
4
"
A
B
C
D
E
F
18
1
2
"
6
3
8
"
2
1
2
"
8
1
4
"
3
5
8
"
10"
Model Non-Combi Models Model Combi Models
A - Central Heating Supply 1 1/4” NPT A - Central Heating Supply 1 1/4” NPT
B - Supply to Indirect Water Heater 3/4” NPT B - Domestic Hot Water Outlet 3/4” NPT
C - Gas Inlet 3/4” NPT C - Gas Inlet 3/4” NPT
D N/A D - Domestic Hot Water Inlet 3/4” NPT
E - Central Heating Return 1 1/4” NPT E - Central Heating Return 1 1/4” NPT
F - Pressure Relief Valve 3/4” NPT F - Pressure Relief Valve 3/4” NPT
Table 7 - Boiler Connection Sizes
Figure 7 - Boiler Dimensions - NOTE: All Dimensions Are Approximate
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