Combustion Catalog | Fives North American

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

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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