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Installation Requirements; Tools And Parts - Whirlpool WFCT Installation Instructions Manual

90+ multipositional gas furnace


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WARNING: Gas leaks cannot always be detected by smell.
Gas suppliers recommend that you use a gas detector approved by UL or CSA.
For more information, contact your gas supplier.
If a gas leak is detected, follow the "What to do if you smell gas" instructions.
The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to publish a list of substances
known to the State of California to cause cancer, birth defects, or other reproductive harm, and requires businesses to warn of
potential exposure to such substances.
WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects, or other
reproductive harm.
This appliance can cause low-level exposure to some of the substances listed, including benzene, formaldehyde, carbon
monoxide, toluene, and soot.
In the State of Massachusetts, the following installation instructions apply:
Installations and repairs must be performed by a qualified or licensed contractor, plumber, or gasfitter qualified or licensed by
the State of Massachusetts.
If using a ball valve, it shall be a T-handle type.
A flexible gas connector, when used, must not exceed 3 feet.
These instructions are intended as a general guide only for use by
qualified persons and do not supersede any national or local
codes in any way. Compliance with all local, state, or national
codes pertaining to this type of equipment should be determined
prior to installation.
Read this entire instruction manual, as well as the instructions
supplied in separate equipment, before starting the installation.
The installation of the furnace, wiring, warm air ducts, venting,
etc. must conform to the requirements of the National Fire
Protection Association; the National Fuel Gas Code, ANSI
Z223.1/NFPA No. 54 (latest edition) and the National Electrical
Code, ANSI/NFPA No. 70 (latest edition) in the United States, and
any state laws, local ordinances (including plumbing or
wastewater codes), or local gas utility requirements.
Gather the required tools before starting installation. Read and
follow the instructions provided with any tools listed here.
Tools needed
Pipe wrench
Tape measure
Thread sealant


Tools and Parts

Noncorrosive leak check
Test gauge with ¹⁄₈" (3.2 mm)
NPT connection (for measuring
gas supply pressure)
Allen wrench
Local authorities having jurisdiction should be consulted before
installation is made. Such applicable regulations or requirements
take precedence over the general instructions in this manual.
This furnace design is certified by CSA International as a
Category IV furnace in compliance with the latest edition of
American National Standard Z21.47/CSA Standard 2.3 for Gas-
Fired Central Furnaces, for operation with Natural gas or
propane. Consult the rating plate on the furnace for gas type
before installing.
Parts needed
Check local codes and with gas supplier. Check existing gas
supply, electrical supply, and venting, and read "Ductwork
Requirements," "Electrical Requirements," "Gas Supply
Requirements," "Venting Requirements" and "Installation
Configurations" before purchasing parts.
Parts supplied
Inlet air restrictor plate
Flue pipe screen
Condensate disposal kit


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