The length between the center of the two bolts is referred to as the center line. The distance between the center of the tank holes must be within 1/32” of the center line measurement.
| Items |
 B3540-51300BA1W Aluminum Liquid Level Gage with Card Thermometer and Shut-off, 13” Centerline, Front Mount 1/2"-20 |
 B3540-51300BB1W Aluminum Liquid Level Gage with Card Thermometer and Shut-off, 13” Centerline, Back Mount 1/2"-20 with Nuts |
 B3540-51300BN1W Aluminum Liquid Level Gage with Card Thermometer and Shut-off, 13” Centerline, 1/4" Male NPT Adapters |
 B3540-51300BN2W Aluminum Liquid Level Gage with Card Thermometer and Shut-off, 13” Centerline, 3/8" Male NPT Adapters |
 B3540-51300BN3W Aluminum Liquid Level Gage with Card Thermometer and Shut-off, 13” Centerline, 1/2" Male NPT Adapters |
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| Centerline | 13" | |||||||||
| Mounting | 1/2"-20 | 1/2"-20 with Nuts | 1/4" Male NPT Adapters | 3/8" Male NPT Adapters | 1/2" Male NPT Adapters | |||||
| Feature | Card Thermometer, Shut-Off | |||||||||
| Max Pressure | 175 PSI | |||||||||
| Max Temperature | 225° F | |||||||||
| Seals | Buna-N | |||||||||
| Body Material | Aluminum | |||||||||
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