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Camp Zinc Pencils for marine engines contain pure zinc with brass hex plugs. These anodes typically thread into a port on the raw seawater side of a heat exchanger.
Routine replacement of pencil anodes will greatly extend the life of marine engine coolant systems. The majority of inboard and stern drive engines will benefit from a fresh set of zinc anodes. Pencil zincs provide cathodic protection when in contact with seawater.
Item Number | Plug NPT | Zinc Diameter | Zinc Length | Zinc Thread Size |
---|---|---|---|---|
CAM-E00C | 1/8" | 1/4" | 2" | 1/4-20 |
CAM-E0C | 1/4" | 3/8" | 1-3/4" | 5/16-18 |
CAM-E0BC | 1/4" | 3/8" | 3/4" | 5/16-18 |
CAM-E1EC | 3/8" | 1/2" | 1-1/2" | 3/8-16 |
CAM-E1FC | 3/8" | 1/2" | 1-1/4" | 3/8-16 |
CAM-E2C | 1/2" | 5/8" | 2" | 7/16-14 |
CAM-E2BC | 1/2" | 5/8" | 3" | 7/16-14 |
CAM-E3C | 3/4" | 3/4" | 2" | 1/2-13 |
CAM-E4C | 3/4" | 3/4" | 3-3/8" | 1/2-13 |
CAM-E5C | 3/4" | 3/4" | 3-5/8" | 1/2-13 |
Use pencil zincs to protect engines, heat exchangers, pipes, condensors, water cooling jackets, etc.