Connections
18
Venting Connection
The Vitogas 050, ECV boiler must be
located so that the v ent length is as
short and direct as possible. The
minimum equivalent length is 10 ft. All
products of combustion must be safely
vented to the outdoors. Do not common
vent with any other appliance. The
Vitogas 050, ECV vents under positive
pressure and is a Cat e gory III boiler.
This boiler model was certified by an
independent t esting agency to
withstand 40 mph winds. Areas with
frequent winds above 40 mph may not
be suitable for the ECV boiler. The v ent
termination should be located on a wall
that is least affected by prevailing
winds. H igh winds may affect the boiler
operation and/or degrade the exterior
finish of the wall. If wind is a problem
then steps should be considered to
protect the v ent terminal from high
winds, such as a fence or shrub. Ensure
that the total equivalent length is not
exceeded.
All parts of the vent s ys tem must be
accessible for inspection, repair,
service, or replacement. Do not enclose
the vent pipe such that the vent is not
accessible for inspection, service, or
replacement.
CAUTION
Under certain climatic conditions some building materials may be affected by flue products expelled in close proximity to
unprotected surfaces. Sealing or shielding of the exposed surfaces with a corrosion resis t ant material (e.g. aluminum
sheeting) may be required to prevent staining or deterioration. The protective material should be attached and sealed (if
necessary) to the building before attaching the vent termination. It is strongly recommended to inst all the vent termination on
the leeward side of the building.
Installing Z-FLEX AL-29-4C s pecial stainless steel venting system
The AL-29-4C stainless steel venting
syst em is completely s ealed when fully
assembled. Locking bands are used to
reinforce the joints between pipe and
fittings. Every fitting requires an
application of high temperature silicone
(see Fig. 7).
Do not use any other venting material.
Do not use galvanized pipe. Do not use
plasticpipeofanykind.
Contents of vent kit:
Components
Part No. Quantity
5 ft. length of
pipe
5400 088 3
High
temperature
silicone
5400 109 1
90° elbow 5400 089 3
Vent termination
(square)
5400 114 1
Locking band 5400 113 8
The contractor may substitute 45°
elbows where needed. The total
equivalent length of all parts in the vent
kit is 24 ft. which ex ceeds 20 ft. of
equivalent length. The lengths of pipe
and number of elbows have been
chosen for installat ion flexibility. You
should have at least 4 ft. of equivalent
length left unused.
5167 450 v1.4
Failure to ensure that all flue gases
have been s afely vented to the
outdoors can cause property damage,
severe personal injury, or loss of life.
Flue gases contain deadly carbon
monoxide.
WARNING
IMPORTANT
Use of v ent material other than Z-Flex
AL-29-4C stainless steel, positive
pressure vent pipe and fittings can
cause property damage, severe
personal injury, or loss of life.
WARNING
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