Time Period |
Example |
Number of Digits in Serial Number |
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
1970’s |
501207 |
5 |
0 |
1 |
2 |
0 |
7 |
|
Tube Heater Identification |
 |
 |
 |
 |
 |
 |
|
|
1980’s |
024567001 |
4 |
0 |
2 |
4 |
5 |
6 |
7 |
0 |
0 |
1 |
|
|
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
Tube Heater Identification |
1990- 1997 |
3121419992300001 |
3 |
1 |
2 |
1 |
4 |
1 |
0 |
1 |
2 |
3 |
4 |
0 |
0 |
0 |
0 |
1 |
|
|
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
|
1997-2008 |
9811INTL023450001 |
9 |
8 |
1 |
1 |
I |
N |
T |
L |
0 |
2 |
3 |
4 |
5 |
0 |
0 |
0 |
1 |
|
Re-Verber-Ray Tube Heater |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
|
2009-Present |
0911INTL0234560001 |
0 |
9 |
1 |
1 |
I |
N |
T |
L |
0 |
2 |
3 |
4 |
5 |
6 |
0 |
0 |
0 |
1 |
|
Re-Verber-Ray Tube Heater |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
|
1997-2008 |
9811INTL023450001 |
9 |
8 |
1 |
1 |
I |
N |
T |
L |
0 |
2 |
3 |
4 |
5 |
0 |
0 |
0 |
1 |
|
Re-Verber-Ray High Intensity |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
|
2009-Present |
0911INTL0234560001 |
0 |
9 |
1 |
1 |
I |
N |
T |
L |
0 |
2 |
3 |
4 |
5 |
6 |
0 |
0 |
0 |
1 |
|
Re-Verber-Ray High Intensity |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
|
1997-2008 |
0011DAYTON012340001 |
0 |
0 |
1 |
1 |
D |
A |
Y |
T |
O |
N |
0 |
1 |
2 |
3 |
4 |
0 |
0 |
0 |
1 |
|
Dayton Tube Heater |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
|
2009-Present |
0911DAYTON0123450001 |
0 |
9 |
1 |
1 |
D |
A |
Y |
T |
O |
N |
0 |
1 |
2 |
3 |
4 |
5 |
0 |
0 |
0 |
1 |
Dayton Tube Heater |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
1997-Present |
010212 000001A |
0 |
1 |
0 |
2 |
1 |
2 |
0 |
0 |
0 |
0 |
0 |
1 |
A |
|
1997-Present |
010212 000001B |
0 |
1 |
0 |
2 |
1 |
2 |
0 |
0 |
0 |
0 |
0 |
1 |
B |
|
Dayton High Intensity |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|