Type S Slide on
Sentinel type
The Sentinel Type Anodes slide onto a steel rod and then screw into a brass plug.
The Sentinel Type Anodes slide onto a steel rod and then screw into a brass plug.
Brass Plug Part Number | NPT Size | Internal Thread | Use with Element | Part Number | Plug NPT Size | Inside Diameter | Outside Diameter |
SP-250 | 1/4" | 10 24 | S-438 | S-438 | 1/4" OR 3/8" | .1875" | .4375" |
SP-375 | 3/8" | 10 24 | S-438 | S-500 | 1/2" | .1875" | .500" |
SP-500 | 1/2" | 10 24 | S-500 | S-813 | 3/4" | .1875" | .8125" |
SP-750 | 3/4" | 10 24 | S-813 | S-1000 | 1" | .1875" | 1.000" |
SP-1000 | 1" | 10 24 | S-1000 | S-1500 | 1-1/2" | .375" | 1.500" |
Stainless steel rods for sentinel anode | ||
Part Number | Rod Size | Use With |
SR-3 | 3/16" x 3" | S-438 - S-500 |
SR-6 | 3/16" x 6" | S-813 - S-1000 |
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S-813 Sentinel Zinc Disc Anode
Rotometals.com
$4.39Sentinel type slide onto a steel rod and then screw into a brass plug. Federal Stock Number: 5340-526-3656 Dimensions: 3/4" Plug NPT Size Brass Insert: .187in/4.8mm Diameter: .8125in/20.6mm Thickness: .500in ELEMENT Zn %...$4.39 -
S-500 Sentinel Zinc Disc Anode
Rotometals.com
$2.70Sentinel type slide onto a steel rod and then screw into a brass plug. Federal Stock Number: 5340-526-3664 Dimensions: 1/2" Plug NPT Size Brass Insert: .187in/4.8mm Diameter: .500in/12.7mm Thickness: .500in ELEMENT Zn %...$2.70 -
S-438 Sentinel Zinc Disc Anode
Rotometals.com
$2.56Sentinel type slide onto a steel rod and then screw into a brass plug. Federal Stock Number: 5340-526-3663 Dimensions: 1/4" or 3/8" Plug NPT Size Brass Insert: .187in/4.8mm Diameter: .4375in/11.1mm Thickness: ...$2.56