Installation Of The Exhaust And Air Intake System - Buderus Logamax Plus GB142-24 Installation Instructions Manual

6.7 Installation of the Exhaust and Air Intake
system
NOTICE
Consult local and state codes pertaining to
special building code and fire department
requirements. Adhere to national code require-
ments.
NOTICE
Observe the listed maximum lengths of vent
system, which are boiler model dependent. The
maximum permissible lengths are listed in see
table 4, page 26.
An optional concentric vent/air intake body (see fig. 19 and
27) can be used for the installation of a vertical venting
system as well as for a horizontal venting system.
The concentric vent/air intake body can be ordered by
Buderus Hydronic Systems, part no. BRYKGAVTO601CV.
Other optional vent kits are:
383-500-397 Plastic Vent Kit
The boiler can also be operated with separate air intake and
exhaust piping (see fig. 20 and fig. 27).
The termination shall be at least 4 ft (1,220 mm) for the U.S.
and 6 ft (1,830 mm) for Canada away from a gas utility
gauge, service regulator or the like (for non sealed combus-
tion applications only).
The termination shall terminate at least 4 ft (1,220 mm)
below, 4 ft (1,220 mm) horizontally from, or 1 ft (305 mm)
above any door, window, or gravity air inlet into any building.
Vent must be at least 12 inches (305 mm) above grade,
anticipated snow line or roof surface (Canada 18" (457 mm)
minimum) (see fig. 17).
Vent termination must be at least 7 ft (2,135 mm) above
a public walkway (see fig. 18).
Vent must be 3 ft (915 mm)above any forced air intake
within 10 ft (3,050 mm) (see fig. 18).
Do not extend exposed vent pipe outside the building
beyond recommended distance. Condensate could freeze
and block vent pipe.
Vent should terminate at least 3 ft (915 mm) away from adja-
cent outside walls, inside corners and 5ft (1525 mm) below
roof overhang (see fig. 18).
It is not recommended to terminate vent above any door or
window, condensate can freeze causing ice formations.
Do not use chimney as a raceway if another boiler or fire-
place is vented into or through chimney.
Logamax plus GB142-24/30/45/60 - We reserve the right to make any changes due to technical modifications!
Installation 6
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