Venting — direct exhaust — components, Cgi-4e gas-fired water boiler — boiler manual, Obtain vent system components – Weil-McLain GOLD CGI-4E User Manual
Page 15

Part Number 550-110-711/1108
15
GOLD
CGi-4E Gas-Fired Water Boiler — Boiler Manual
Venting — Direct exhaust — components
3c
Obtain vent system components
1. The following special gas vent systems comply with UL-1738 and ULC-
S636 standards and are certified by CSA as the only systems suitable for
use with CGi-4E boilers (all 3” diameter):
• Heat-Fab, Inc.
Saf-T Vent
®
• Flex-L International, Inc.
StaR-34
• Z-Flex®, Inc.
Z-Vent II
• ProTech Systems
FasNSeal™
Use only the vent starter of the same manufacturer as
the vent components. Do not mix components from
different systems. The vent system could fail, causing
flue gas spillage, resulting in severe personal injury or
death.
2. Select vent method based on page 14 and installation requirements.
3. Refer to
Table 4
for maximum vent run lengths and number of elbows.
Do not exceed data in
Table 4
.
4. Select vent components from separate
Vent Supplement
. All compo-
nents, including the vent starter, must be of the same vent manufacturer.
Do not mix components.
Table 4 Maximum vent length (feet)
Max.vent
length (feet)
Total number of elbows
(Note 1)
1
2
3
4
5
6
CGi-4E
55
48
41
34
27
20
Note 1: Do not include termination fitting when counting total number of elbows.
Read and follow the special instructions for the Com-
monwealth of Massachusetts, located on page 42 of this
manual.