Venting Requirements - Buderus Logano plus GB312 Applications Manual

GB312 Applications Manual

5 Venting requirements

This chapter details how to install the boiler. The steps are:
– Exhaust and air supply system
– Heating circuit connection
– Connecting the fuel supply
– Making the electrical connections
General notes
The boiler requires a fl ue system approved for Category
IV (condensing, positive pressure; to ANSI Z21.13/
CSA4.9). The material must consist of 316L or AL 29-4C
stainless steel and conform to UL 1738 or UL 103.
In Canada, fl ue system material must conform to
We recommend flue systems made by the following manufacturers:
Stainless steel fl ue system for U.S.A and Canada
Manufacturer Flue System
Heatfab Saf-T Vent EZ Seal
Z-Flex Z-Vent IV special gas vent
Metal Fab Corr Gaurd
Pro-Tech Fasnseal
Security Chimney CI-System
CPVC fl ue system for U.S.A only
CPVC Manufacturer Specifi cation
Spears CPVC pipe to
Schedule 80 ASTM D1784
Note: Please contact the manufacturers listed above to order.
If a plastic system (CPVC) is used in Canada, it must be
approved as a type "BH gas venting system" (ULC S636).
The components, adhesives and adhesive primers
specifi ed by the fl ue system manufacturer must be
used. Only components, adhesives, adhesive primers,
etc. made by the same manufacturer may be used.
The following fl ue system is approved for use in Canada:
CPVC fl ue system for Canada
Manufacturer Flue System
System 636 CPVC
IPEX*
* This system is only available up to 4" size & only
applies to GB312/90 for 55ft TEL or the GB312/120 for
30ft TEL.
Logano plus GB312 applications manual | 04.2008
ULC-636.
AL29-4C Starter Adapter Part No.
GB312/90 to GB312/160 = 9601GB ADAPTER (6" nominal size)
GB312/200 to GB312/280 = 9801GB ADAPTER (8" nominal size)
GB312/90 to GB312/160 = 2SVSGBA06 (6" nominal size)
GB312/200 to GB312/280 = 2SVSGBA08 (8" nominal size)
GB312/90 to GB312/160 = 6CFGBA (6" nominal size)
GB312/200 to GB312/280 = 8CFGBA (8" nominal size)
GB312/90 to GB312/160 = FSA-GB312-6 (6" nominal size)
GB312/200 to GB312/280 = FSA-GB312-8 (8" nominal size)
GB312/90 to GB312/160 = tbd (6" nominal size)
GB312/200 to GB312/280 = tbd (8" nominal size)
Manufacturer CPVC Starter Adapter Part No.
Heatfab GB312/90 to GB312/160 = 96GBCPVC ADAPTER (6" nominal size)
GB312/200 to GB312/280 = 98GBCPVC ADAPTER (8" nominal size)
Z-Flex GB312/90 to GB312/160 = 2SVSGBP06 (6" nominal size)
GB312/200 to GB312/280 = 2SVSGBP08 (8" nominal size)
Metal Fab GB312/90 to GB312/160 = 6CGBPA (6" nominal size)
GB312/200 to GB312/280 = 8CGBPA (8" nominal size)
Pro-Tech GB312/90 to GB312/160 = FSA-GB312-6-PVCF (6" nominal size)
GB312/200 to GB312/280 = FSA-GB312-8-PVCF (8" nominal size)
Security Chimney GB312/90 to GB312/160 = tbd (6" nominal size)
GB312/200 to GB312/280 = tbd (8" nominal size)
Table 8
Technical specifi cations are subject to change without prior notice
| 17
Table 6
Table 7