4. Hold the pipe in the fitting for 30
seconds to prevent the tapered
socket from pushing the pipe out
of the fitting.
5. Wipe all excess cement from the
joint. Allow 15 minutes before
handling. Cure time varies
according to fit. temperature,
and humidity.
NOTE: Stir the solvent cement
frequently while using. Use a natural
bristle brush or the dauber supplied
with the can. The proper brush size
is one inch.
IMPORTANT: FOR PROPER
INSTALLATION:
DO NOT USE SOLVENT CEMENT
THAT HAS BECOME CURDLED,
LUMPY OR THICKENED.
Observe shelf precautions printed on
the containers.
For applications below 32" F .. use
only low temperature type solvent
cement.
IMPORTANT: THE PLASTIC
COMBUSTION AIR AND VENTING
COMPONENTS ARE OF
SCHEDULE 40 PVC. IF USING ABS
PIPING ENSURE THAT THE
SOLVENT CEMENT IS
COMPATIBLE FOR JOINING PVC
TOABSCOMPONENTSORUSEA
MECHANICAL CONNECTION
THAT CAN WITHSTAND VENT
TEMPERATURES UP TO 175° AND
IS CORROSION RESISTANT.
FIGURE 26
HOLD PVC PIPING UNTIL SET
NON-DIRECT VENT
FURNACE
INSTALLATIONS
(ONE PIPE)
COMBUSTION AIR
A WARNING: ALWAYS PROVIDE
THIS FURNACE AND ANY OTHER
FUEL BURNING APPLIANCE WITH
ENOUGH FRESH AIR FOR
PROPER COMBUSTION AND
VENTILATION OF THE FLUE
GASES. MOST HOMES REQUIRE
THAT OUTSIDE AIR BE SUPPLIED
INTO THE FURNACE AREA.
FAILURE TO DO SO CAN CAUSE
DEATH FROM CARBON
MONOXIDE POISONING.
Provide adequate facilities for
combustion and ventilation air in
accordance with section 5.3, Air for
Combustion and Ventilation of the
National Fuel Gas Code, ANSI
2223.1 - 1992; CAN/CGA B 149.1
and .2. or applicable provisions of
the local building codes. These
combustion and ventilation facilities
must not be obstructed.
IMPORTANT: AIR FOR
COMBUSTION AND VENTILATION
MUST NOT COME FROM A
CORROSIVE ATMOSPHERE. ANY
FURNACE FAILURE DUE TO
CORROSIVE ELEMENTS IN THE
ATMOSPHERE IS EXCLUDED
FROM WARRANTY COVERAGE.
The following types of installation
(but not limited to the following)
REQUIRE OUTSIDE AIR for
combustion, due to chemical
exposures:
• Commercial buildings
• Buildings with indoor pools
• Furnaces installed in laundry
rooms
• Furnaces in hobby or craft
rooms
• Furnaces installed near
chemical storage areas.
Exposure to the following substances
in the combustion air supply (but
not limited to the following) also
REQUIRE OUTDOOR AIR for
combustion:
• Permanent wave solutions
• Chlorinated
waxes and 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, etc.
• Hydrochloric acid
• Cements and glues
• Antistatic fabric softeners for
clothes dryers
• Masonry acid washing materials
29
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