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GOLD CGs — User’s Information Manual
4 Part No. 550-110-261/0999
Air contamination
Common household and hobby products often con-
tain 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 dam-
If the boiler is installed in any area likely to cause contamination, or if products which
would contaminate the air cannot be removed, you must
pipe combustion air to the boiler
air intake. Contaminated combustion air will damage the boiler and vent system, resulting in
possible severe personal injury, death or substantial property damage.
Do not operate a CGs boiler in a laundry room or pool facility, for example, without
using ducted outside air. These areas will always contain contaminants.
age and presenting a possible threat of flue gas spillage
into the building.
Please read the information below. If the contaminat-
ing chemicals will be present, have your installer pipe
the boiler air from outside per the Boiler Manual.
Prevent combustion air contamination
Products to avoid Areas likely to have contaminants
Spray cans containing chloro/fluorocarbons Dry cleaning/laundry areas and establishments
Permanent wave solutions Swimming pools
Chlorinated waxes/cleaners Metal fabrication plants
Chlorine-based swimming pool chemicals Beauty shops
Calcium chloride used for thawing Refrigeration repair shops
Sodium chloride used for water softening Photo processing plants
Refrigerant leaks Auto body shops
Paint or varnish removers Plastic manufacturing plants
Hydrochloric acid/muriatic acid Furniture refinishing areas and establishments
Cements and glues New building construction
Antistatic fabric softeners used in clothes dryers Remodeling areas
Chlorine-type bleaches, detergents, and cleaning
solvents found in household laundry rooms
Garages with workshops
Adhesives used to fasten building products and
other similar products