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BUDERUS
Conventional Gas Boilers
GC144 Dimensions and Connections
Rear, side, and front view measurements in inches.
*GC144 models are not suitable for use with Logamatic Controls.
Electronic Ignition with Vent Damper for Conventional Chimney Venting.*
DRAIN
FRONT VIEWSIDE VIEW SIDE VIEW
Model
GC144/3 GC144/4 GC144/5
Input BTU/Hr 74,000 103,000 132,500
D.O.E Capacity BTU/Hr 62,000 87,000 112,000
AFUE% 85
Dimensions, in (HxDxW) 34
3
/
8
x 13
1
/
8
x 21
1
/
2
34
3
/
8
x 16
3
/
4
x 21
1
/
2
34
3
/
8
x 20
3
/
8
x 21
1
/
2
Piping Connections Supply, in 1
1
/
4
NPT
Piping Connections Return, in 1
1
/
4
NPT
FLUE, in (Vent: B) 5 : 8 5 : 8
2
/
3
6 : 9
1
/
2
Weight, lbs 228 287 349.5
6
CRN No 1597.9C
MA Plumbing Board Approved
1: Flame roll-out
switch
2: Flame roll-out
switch cable
3: Gas valve
4: Gas supply pipe
5: Boiler temperature
controller
6: Ignition module
7: Igniter cable
8: Gas valve cable
connector
9: Pilot line
10: Igniter cable
Figure 1
CERTIFIED
®