Buderus Logano plus GB312 Applications Manual page 30
Gas condensing boiler
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Also See for Logano plus GB312:
- Installation manual (124 pages) ,
- Installation and service instructions manual (96 pages) ,
- Installation instructions manual (96 pages)
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"D"
"D"
Pump
PK
)RXU
GB312 System (18°F Delta T) Recommended Near Boiler Piping Size
Models
GB312/90
Pipe A
3"
Pipe B
2½"
Pipe C
2"
Pipe D
1½"
Header E
3"
)RXU
GB312 System (36°F Delta T) Recommended Near Boiler Piping Size
Models
GB312/90
Pipe A
2½"
Pipe B
2"
Pipe C
2"
Pipe D
1½"
Header E
2½"
"C"
Pump
PK
GB312/120
GB312/160
GB312/200
4"
4"
4"
3"
4"
4"
2½"
3"
3"
2"
2½"
2½"
4"
4"
4"
GB312/120
GB312/160
GB312/200
3"
3""
4"
2½"
2½"
3"
2"
2½"
2½"
1½"
2"
2"
3"
3"
4"
"C"
"B"
Pump
PK
7DEOH
GB312/240
GB312/280
5"
6"
4"
4"
4"
4"
3"
3"
5"
6"
7DEOH
GB312/240
GB312/280
4"
4"
3"
4"
2½"
3"
2"
2½"
4"
4"
GB312 Applications Manual
"A"
"B"
"A"
"E"
Pump
PK
System
Supply
System
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