North American Flame Rod Insertion Lengths
Sheet 8832-1
TABLE 1. Dimensions (in inches)
Burner
Dim.
designation
"A"
A –Flame Rod insertion length into burner
4422 (223G)-2 thru -6
5
4425-2 thru -6
5
4545-6 4545-7
3 ¾ 4 ½
4545-8-A 4545 -8-B
7
5¾
4659 (59)-1, -2 4659 (59)-3, -4 4659 (59)-5, -6
3 ½ 4 ½ 5 ½ 6 ½
4659 (59)-7
4683 (103)-3, -4 4683 (103)-5, -6
4
5 ½
When using flame rod with North American burners, maintain a flame rod insertion length (from the outer boss of the flame rod connection) equal to "A" dimension in the table below. Use a North American Flame Detector Adapter (Bulletin 8832) for easy access to the flame rod without twisting or disconnecting wires. For burners with ¾ " FPT flame rod connection, an economical option is available, part NO. 4-25432-(X). Consult factory for necessary (x) part number option based on "A" dimension below.
4683 (103)-7
6
4726-1 4726-2
3
3 ½
4762-4, -6, -7, -8
4
4808-9 4808-10 4808-12
6
9 ½ 8 ½
Flame rods generally are unsatisfactory for use with oil.
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