Dimensions | 4020 Nozzle-Mix Pilot Tip
-0 Air Orifice\Valve (included with 4020-0-H)
E – Gas inlet
Igniter
2 5⁄8
D
C
A
¾ NPT
1⁄8 NPT impulse tap
1⁄8
B
½ NPT
Air inlet
F
-7/6 size only
Air flow adjustment screw with lock down nut
DIMENSIONS inches
Size Inlet Pipe th'd. Outlet Pipe th'd.
A
B
C
D
E
F
wt, lb
-0 -2
1" --- mpt 1 ¼ " mpt 1 ½ mpt 1 ½ " mpt 1 ½ " mpt
¾ " mpt 1 ¼ " mpt 1 ½" mpt 1 ½ " mpt 1 ½ " mpt
3 3 3 3
1 ½
2 ¼ 1 ½ 1 3⁄8 1 3⁄8 1 5⁄8 1 ¾ 2 ¼ 2 ¾
1 ¼ 1 1⁄8 1 1⁄8 1 1⁄8 1 3⁄8 1 3⁄8 1 ¾ 2 ½
1⁄8 " NPT 1⁄8 " NPT ¼" NPT ¼ " NPT ¼ " NPT ¼ " NPT ¼ " NPT 3⁄8 " NPT ½ " NPT
4 ½ 3 3⁄8 3 3⁄8
1.5 1.8 2.7 2.7 2.7 3.6 5.2
2 2
-3A-CB
-3-CB
2 ¼ 2 ¼ 2 ½
3 3⁄8
-3 -4 -5 -6
3 ¼ 3 ½
4 4
2" 1 /
4 mpt
2"
1 /
4 mpt
2 ½ " mpt
2 ½ " mpt
4 4
3 4
4 7⁄8 6 ½
3" 1 / 4" 1 /
4 fpt
3"
1 / 1 /
4 mpt 4 mpt
10.0 19.0
-7
4 fpt
4"
4 ½
5 ½
3
3
7 5⁄8
D
E – Gas connection
Air inlet
Outlet
G dia.
B sq.
A
1⁄16 ¼
H
C
J
K
F
Inlet Outlet Size pipe th'd. pipe th'd. A
B
C
D
E
F
G
H
J
K
wt, lb
-6-HP/4 -6-HP/5 -7-HP/6 -6-LP/4 -6-LP/5 -7-LP/6
3" fpt 3" fpt 4" fpt 3" fpt 3" fpt 4" fpt
2" 1 /
4 mpt 4 ½
4 4
5 3⁄8 5 3⁄8 6 ¼ 5 3⁄8 5 3⁄8 6 ¼
2 9⁄16 2 9⁄16
3⁄8 " NPT 9 7⁄16 3⁄8 " NPT 9 7⁄16 ½ " NPT 10 7⁄8 3⁄8 " NPT 9 7⁄16 3⁄8 " NPT 9 7⁄16 ½ " NPT 10 7⁄8
3 ½ 3 ½ 4 ½ 3 ½ 3 ½ 4 ½
1 5⁄8 1 5⁄8 2 1⁄8 1 5⁄8 1 5⁄8 2 1⁄8
2 3⁄8 2 3⁄8
6 1⁄16 6 1⁄16
11.5 11.5 21.5 11.5 11.5 21.5
2 ½ " mpt 4 ½
3" 1 /
4 mpt 5
5 ½
2 7⁄8
3
6 15⁄16
2" 1 /
4 mpt 4 ½
4 4
2 9⁄16 2 9⁄16
2 3⁄8 2 3⁄8
6 1⁄16 6 1⁄16
2 ½ " mpt 4 ½
3" 1 /
4 mpt 5
5 ½
2 7⁄8
3
6 15⁄16
Bulletin 4020 Page 6
DIMENSIONS SHOWN ARE SUBJECT TO CHANGE. PLEASE OBTAIN CERTIFIED PRINTS FROM FIVES NORTH AMERICAN COMBUSTION, INC. IF SPACE LIMITATIONS OR OTHER CONSIDERATIONS MAKE EXACT DIMENSION(S) CRITICAL.
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