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ECO
Tec
®
G
-
as
fired water boiler
Prevent combustion air contamination
Air contamination
Common household and hobby products often contain
fluorine or chlorine compounds. When these chemicals
pass through the boiler, they can form strong acids in
the vent system or boiler. The acid can eat through
the vent or boiler wall, causing serious damage and
presenting a possible threat of flue gas spillage into
the building.
Please read the information on this page.
If the boiler combustion air inlet is
located in any area likely to cause
contamination, or if products which
would contaminate the air cannot be
removed, you must have the com-
bustion air and vent re-piped and
terminated to another location
Contaminated combustion air will dam-
age the boiler, resulting in possible severe
personal injury, death or substantial
property damage.
Do not operate the boiler if its
combustion air inlet is located in
a laundry room or pool facility
example. These areas will always contain
hazardous contaminants.
4
– 80/110/150/199 U
Combustion air contamination:
Ensure that the combustion air will not contain any of
the contaminants in Figure 1
Combustion air supply openings or intake terminations
must NOT be near a swimming pool, for example.
Avoid areas subject to exhaust fumes from laundry facilities.
These areas will always contain contaminants.
Figure 1
Corrosive contaminants and sources
Products to avoid
Spray cans containing chloro/fluorocarbons
Permanent wave solutions
.
Chlorinated waxes/cleaners
Chlorine-based swimming pool chemicals
Calcium chloride used for thawing
Sodium chloride used for water softening
Refrigerant leaks
Paint or varnish removers
Hydrochloric acid/muriatic acid
, for
Cements and glues
Antistatic fabric softeners used in clothes dryers
Chlorine-type bleaches, detergents, and cleaning solvents found in
household laundry rooms
Adhesives used to fasten building products and other similar products
Excessive dust and dirt
Areas likely to have contaminants
Dry cleaning/laundry areas and establishments
Swimming pools
Metal fabrication plants
Beauty shops
Refrigeration repair shops
Photo processing plants
Auto body shops
Plastic manufacturing plants
Furniture refinishing areas and establishments
New building construction
'
i
m
ser
s
nformation
.
Part number 550-100-261/0520
anUal
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