Floor Furnace Submittal

FLOOR FURNACES
4505622A 4505621A 45,000 31,000 70 58.0 24 32 28 ½ 24 ¼ 32 ⅜ MILLIVOLT 147
6005622A 6005621A 60,000 42,000 70 58.0 24 42 28 ½ 24 ¼ 42 ⅜ MILLIVOLT 174
BTU/hr.
INPUT
BTU/hr.
OUTPUT
WITHD
SHIPPING
WEIGHT
(LBS.)
PROPANENATURAL
MODEL NUMBER
AFUE
THERMAL
EFFICIENCY PERCENT
LENGTH
WIDTH
DIMENSIONS (INCHES)
HEIGHT
WILLIAMS
™
“MATCHLESS” PILOT IGNITER
All models include a “matchless” pilot igniter that
assures convenient pilot lighting without matches.
FLOOR REGISTER TEMPERATURE CONTROL
Williams' Floor Furnaces are equipped with an automatic
floor register grille temperature control. This meets the
latest American National Standards Institute Requirements.
In extreme weather conditions, this control may be
overridden to allow increased heat output
INTERIOR FURNACE CLEARANCES
6ʺ between the floor furnace and adjacent wall.
12ʺ between the floor furnace and doors, draperies or
other combustible materials.
15ʺ walking space along two sides of the furnace.
Elevation rating from sea level to 2,000' Consult Owner’s Manual for installation of product at elevations over 2000' 1/2ʺ Gas Connection
EASY INSTALLATION
250 W. Laurel Street · Colton, CA 92324 USA Subject to change without notice © 2021 Williams L1026, 4-21
WARNING: This product can expose you to chemicals including epichlorohydrin
which is known to the State of California to cause cancer and birth defects and/or
other reproductive harm. For more information go to www.p65warnings.ca.gov
FEATURES
LENGTH
FLOOR OPEINING IN.
THERMOSTAT
FLOOR
FLOOR
JOIST
THIS SPACE MUST
BE THE SAME SIZE
AS THE OPENING
CUT IN THE FLOOR
NOTE: THE HEADERS MUST
NOT BE A SMALLER SIZE
LUMBER THAN THE JOISTS
FURNACE
HEADERS
NOTE: IF TWO
JOISTS ARE CUT,
USE A DOUBLE
HEADER
450A 8953 8955
600A 8954 8956
MODEL
SERIES
NATURAL
TO
PROPANE
PROPANE
TO
NATURAL
JOIST HEADERS
DEPTH OF
THE FURNACE
18ʺ MINIMUM
WORKING SPACE
FURNACE
12ʺ MINIMUM
12ʺ MINIMUM ON ALL
SIDES EXCEPT CONTROL
END OF THE FURNACE
DRAIN FROM
FURNACE PIT
GROUND LEVEL
12ʺ
4ʺ VENT PIPE
(¼ʺ RISE PER FOOT)
VENTILATION
OPENING
FIRST FLOOR
WALL
4ʺ VENT
PIPE
18ʺ MINIMUM ON THE
CONTROL END OF
THE FURNACE
CONVERSION KITS
THERMOSTAT SOLD SEPARATELY part number P322016
ANY WARRANTY CONSIDERATIONS ARE CONTINGENT ON INSTALLATION BY
A QUALIFIED INSTALLER (CONTRACTOR). SELF-INSTALLATION IS PROHIBITED
AND WILL INVALIDATE YOUR WARRANTY.
• Read owner’s manual before using/installing.
• Photographs are representative only.
• Check local codes and ordinances for permitted uses.
• Consult installation manual for clearances prior to installation.
• We reserve the right to amend product specifications without notice.
• Installation and servicing recommended by a qualified service person.
• Please read the warranty for any limitations of disclaimers. Combustion chamber carries a 10-year
limited warranty. All other parts carry a one-year limited warranty.
• Venting must comply with the “Venting and Chimney Requirements” section of the instruction manual.
• Massachusetts Approval G3-0816-23.
IMPORTANT