MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH, TX 76106 Page 3
FIRE OR ELECTRICAL HAZARD
Failure to follow the safety warnings could result in a re
or electrical hazard which may cause property damage,
personal injury, or death.
This furnace must not be installed where it may be
exposed to potentially explosive or ammable
atmosphere. Installing this furnace in an explosive or
ammable atmosphere may result in a re or explosion
causing property damage, personal injury, or death.
HAZARD OF ASPHYXIATION: Negative pressure inside
a closet with closet door closed and the furnace blower
operating must not be more than 0.05” W.C.
To prevent premature heat exchanger failure, do not locate
any gas-red appliances in area where corrosive vapors
are present in the atmosphere. Refer to the section on
COMBUSTION AIR QUALITY.
Because of the potential of odorant fade, a gas leak may
not be detected by smell. It is recommended that black
iron pipe be used from the furnace gas valve to outside
the home in order to prevent gas leaks inside the home.
Copper and brass tubing and ttings (except tin lined)
must not be used if the gas contains more than a trace
(0.3 grains per 100 cubic ft.) of hydrogen sulde gas.
Check with the gas supplier about gas content and for
a gas leak detector.
This furnace must not be installed where it may be
exposed to potentially explosive or ammable atmosphere.
Installing this furnace in an explosive or ammable
atmosphere may result in a re or explosion causing
personnel injury, property damage, or death.
ELECTRICAL OR EXPLOSION HAZARD
Do not use this furnace if any part has been under water.
A ood damaged furnace is extremely dangerous.
Attempts to operate a ood damaged furnace may result in
a re.
A qualied contractor, installer, or service agency must be
contacted to inspect the furnace for any water damage and
replace components, controls, or electrical parts that have
been damaged or replace the furnace.
USE ONLY NATURAL GAS OR HD-5 PROPANE
FUEL IN THIS FURNACE.
DO NOT USE “COMMERCIAL GRADE PROPANE”
OR ANY PROPANE BLEND OTHER THAN HD-5.
IF A FUEL OTHER THAN NATURAL GAS OR HD-5
PROPANE IS USED IN THIS FURNACE, YOUR
WARRANTY WILL BE VOID.
COMBUSTION AIR QUALITY
(LIST OF CONTAMINANTS)
This furnace requires 100% outdoor air for combustion. This
furnace must not be installed in the following environments.
• Restricted environments
• Buildings with indoor pools
• Laundry rooms
• Hobby or craft rooms
• Chemical storage areas
• Chemical Exposure
The furnace must not be exposed to the following substances and
chemicals.
• Permanent wave solutions
• Chlorinated waxes or cleaners
• Chlorine based swimming pool chemicals
• Water softening chemicals
• De-icing salts or chemicals
• Carbon tetrachloride
• Halogen type refrigerants
• Cleaning solvents such as perchloroethylene
• Printing inks, paint removers, varnishes
• Hydrochloric acid
• Cements and glues
• Antistatic fabric softeners
• Masonry acid washing materials
The combustion air intake pipe termination must be located
external to the building and in an area where there is no exposure
to the substances listed above. Any exposure to the substances
listed above will void the furnace warranty.
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