Dimensions | Small Fire•All™ Gas Burners
Bulletin 4423/4424 Page 3
DIMENSIONS in inches
gas tube nozzle used on -0 size only
5⁄8 slots for ½ studs or bolts
½
steel shell (4423- -L & 4424- -L only)
1⁄8 fpt air pressure tap
C
¾
1⁄8
¾ fpt hole at 45° to all C's for pilot, direct spark or manual lighting
6 ¾ sq.
4
3 ½
4 dia. 6
refractory face (4424 only)
1 5⁄8
sq.
4
3 11⁄16
B–fpt Gas
9
A–fpt Air
4
4
3 ½
3 ½
9 sq.
9 5⁄8
C
weight: 47 lb
Section C-C
¾ fpt hole for flame supervision
Opening in furnace shell or outer wall must be ½ " larger than dimension shown to allow for mounting plate fillet and draft. Opening in furnace shell or outer wall must be ¼ " larger than dimension shown. For most reliable ignition and flame signals, operate pilot at no less than 4"w.c. mixture pressure.
DIMENSIONS SHOWN ARE SUBJECT TO CHANGE. PLEASE OBTAIN CERTIFIED PRINTS FROM FIVES NORTH AMERICAN COMBUSITON, INC. IF SPACE LIMITATIONS OR OTHER CONSIDERATIONS MAKE EXACT DIMENSION(S) CRITICAL .
dimensions in inches
Burner designation
A
B
4423 or 4424-0 4423 or 4424-1 4423 or 4424-2 4423 or 4424-3-A 4423 or 4424-3-B
¾
½ ¾
1 3 /
4
1 ¼ 1 ½ 1 ½
1 3 / 1 3 / 1 3 /
4
4
4
4423-3-A flame with 8 osi air, correct air/gas ratio (the eye would see a somewhat longer flame).
WARNING: Situations dangerous to personnel and property may exist with the operation and maintenance of any combustion equipment. The presence of fuels, oxidants, hot and cold combustion products, hot surfaces, electrical power in control and ignition circuits, etc., are inherent with any combustion application. Components in combustion systems may exceed 160°F (71°C) surface temperatures and present hot surface contact hazard. Fives North American Combustion, Inc. suggests the use of combustion systems that are in compliance with all Safety Codes, Standards, Regulations and Directives; and care in operation.
CONTACT fna.sales@fivesgroup.com T +1 800 626 3477 - F +1 216 373 4237
Fives North American Combustion, Inc. 4455 East 71st Street - Cleveland, OH 44105 - USA www.fivesgroup.com
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