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Part Number 550-110-268/0699
4
GOLD GV Water boiler — Series 3
Installation
Pre-installation planning
1. Follow national, state, local or provincial codes or
regulations when venting GV boiler.
2. Choose vent method from those shown on page 5.
3. Select vent run components from Table 2. Table 3
states maximum vent run lengths and number of
elbows. Do not exceed data in Table 3. Longer vent
runs will slightly reduce boiler output. See Figure 2.
4. If installing with direct vent method, use same
maximum run length and number of elbows from
Description Flex-L International, Inc.
Part Number (Note 1)
GV starter tee --
GV termination coupling SRAWGVT
45
o
elbow
SRE4503
90
o
elbow
SRE9003
6" pipe SR06P03
1' pipe SR12P03
2' pipe SR24P03
3' pipe SR36P03
5' pipe SR60P03
Joiner band SRJB-14
Weil-McLain Vent/Air Intake Termination Kit 382-200-430 (Note 2)
Weil-McLain Through-Roof or Through-Unused-Chimney Termination Kit 382-200-435 (Note 2)
Notes
1. Flex-L International, Inc. part number. Parts available through Flex-L International, Inc.
2. Weil-McLain part number. Parts available through Weil-McLain distributor.
Table 2
Parts list
step 2. Vent and combustion air connector piping
configurations must match. Use suitable 3" material
for combustion air connector piping, such as:
• Dryer vent
• Galvanized steel
• PVC (3" I.D.)
5. Refer to vent termination WARNING, item 19 on
page 3.
Table 3
Vent and combustion air connector piping
lengths and number of elbows
Figure 2 Boiler output
Maximum vent
length (feet)
Total number of elbows
0 2 3 4 5 6 7 8
GV-3 through GV-5 100 80 70 60 50 40 30 20
GV-6 80 60 50 40 30 20 10 --
GV-6
GV-5
GV-4
GV-3
020 40 60
80
100
Total equivalent length (feet) of vent
(from boiler to vent termination)
% Output
95
96
98
97
99
100
26800