Important Safety Information - Lennox B050A3B Installation/Servicing Instructions And Users Information Manual

The following is a list of safety rules and precautions that
must be followed when installing this furnace.
1. Use only with the type of gas approved for this
furnace. Refer to the furnace rating plate.
2. Install this furnace only in a location and position as
specified in the Location section on page 7 of these
instructions.
3. Provide adequate combustion and ventilation air to
the furnace space as specified in the Air for
Combustion and Ventilation section beginning on
page 8 of these instructions.
4. Combustion products must be discharged outdoors.
Connect this furnace to an approved vent system
only, as specified in Venting beginning on page 10
of these instructions.
5. Never test for gas leaks with an open flame. Use a
commercially available soap solution made
specifically for the detection of leaks to check all
connections, as specified in Gas Connection
Section beginning on page 14 of these instructions.
6. Always install furnace to operate within the furnace's
intended temperature-rise range with a duct system
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IMPORTANT SAFETY INFORMATION

Issue 1207
which has an external static pressure within the allowable
range, as specified in Temperature Rise on page 3 of
these instructions. See furnace rating plate.
7. When a furnace is installed so that the supply ducts
carry air circulated by the furnace to areas outside
the space containing the furnace, the return air shall
also be handled by duct(s) sealed to the furnace
casing and terminating outside the space containing
the furnace. See Ducting beginning on page 9 of
these instructions.
8. A gas-fired furnace for installation in a residential
garage must be installed as specified in the Location
section on page 7 of these instructions.
9. The furnace is permitted to be used for temporary
heating of buildings or structures under construction
as specified in the Location section on page 7 of
these instructions.
In the State of Massachusetts:
This product must be installed by a licensed Plumber
or Gas Fitter. When flexible connectors are used,
the maximum length shall not exceed 36". When
lever-type gas shutoffs are used, they shall be T-
handle type.
506307-01