- 6.35x51
- 9.5x44
- 12.7x51
- 12.7x38
- 3/8 NPT
- 1/8 NPT
- 1/4 NPT
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Tecnoseal Westerbeke Zinc Pencil Anodes with Brass Plugs – 1/8", 1/4" & 3/8" NPT
Tecnoseal Westerbeke zinc pencil anodes are sacrificial corrosion protection components supplied complete with brass mounting plugs. Designed for compatible Westerbeke marine cooling system applications, these replaceable zinc elements help protect metallic components exposed to cooling water against galvanic corrosion.
The range includes four models: TEC-E00, TEC-E1, TEC-E1E and TEC-E0. Their cylindrical zinc rods measure from 6.35 mm to 12.7 mm in diameter and from 38 mm to 51 mm in length. Depending on the model, the brass mounting plugs feature 1/8", 1/4" or 3/8" NPT tapered external threads.
The TEC-E00 has a 6.35 mm diameter zinc rod measuring 51 mm in length and a 1/8" NPT mounting thread. The TEC-E0 features a 9.5 mm diameter rod measuring 44 mm in length with a 1/4" NPT thread. The larger TEC-E1 and TEC-E1E models both have 12.7 mm diameter zinc rods and 3/8" NPT connections but differ in rod length: 51 mm and 38 mm respectively.
All four models use the Tecnoseal 2T configuration and are supplied individually as complete zinc anode and brass plug assemblies. Their weights range from 0.03 to 0.07 kg.
Key Features
- Manufacturer: Tecnoseal
- Compatible Brand: Westerbeke
- Product Type: Sacrificial pencil anode with brass plug
- Anode Material: Zinc
- Plug Material: Brass
- Configuration: Complete with Brass Plug
- Available Models: TEC-E00, TEC-E1, TEC-E1E and TEC-E0
- Zinc Rod Diameters: 6.35, 9.5 and 12.7 mm
- Zinc Rod Lengths: 38, 44 and 51 mm
- External Plug Threads: 1/8", 1/4" and 3/8" NPT
- Plug Head Dimensions: 11, 12.7 and 17.5 mm
- Pencil Type: 2T
- Weight Range: 0.03–0.07 kg
Available Models and Technical Specifications
Tecnoseal Code Diameter (Ø) Length (l) Thread (a) Head (c) Weight TEC-E00 6.35 mm 51 mm 1/8" NPT 11 mm 0.03 kg / 0.07 lbs TEC-E1 12.7 mm 51 mm 3/8" NPT 17.5 mm 0.07 kg / 0.15 lbs TEC-E1E 12.7 mm 38 mm 3/8" NPT 17.5 mm 0.07 kg / 0.15 lbs TEC-E0 9.5 mm 44 mm 1/4" NPT 12.7 mm 0.04 kg / 0.09 lbs
Individual Model Specifications
Tecnoseal TEC-E00 – Westerbeke Zinc Pencil Anode Ø6.35x51 mm with 1/8" NPT Brass Plug
The Tecnoseal TEC-E00 features a cylindrical zinc rod measuring 6.35 mm (1/4 in) in diameter and 51 mm (2.01 in) in length. Its brass mounting plug has a 1/8" NPT tapered external thread and an 11 mm (7/16 in) head dimension.
Weighing 0.03 kg (0.07 lbs), the assembly uses the Tecnoseal 2T configuration and corresponds to Westerbeke original part number 301069. It is also listed as equivalent to Tecnoseal TEC-SD1.
- Product Code: TEC-E00
- Original Westerbeke Part Number: 301069
- Equivalent Reference: TEC-SD1
- Diameter (Ø): 6.35 mm / 1/4 in
- Length (l): 51 mm / 2.01 in
- External Thread (a): 1/8" NPT
- Plug Head (c): 11 mm / 7/16 in
- Weight: 0.03 kg / 0.07 lbs
- Pencil Type: 2T
- EAN: 8059617819064
- Supply: Complete with brass plug
Tecnoseal TEC-E1 – Westerbeke Zinc Pencil Anode Ø12.7x51 mm with 3/8" NPT Brass Plug
The Tecnoseal TEC-E1 combines a 12.7 mm (1/2 in) diameter zinc rod with a 51 mm (2.01 in) body length. It is supplied with a brass mounting plug featuring a 3/8" NPT thread and a 17.5 mm (11/16 in) head dimension.
The complete assembly weighs 0.07 kg (0.15 lbs), uses the Tecnoseal 2T pencil configuration and corresponds to Westerbeke original part number 36889.
- Product Code: TEC-E1
- Original Westerbeke Part Number: 36889
- Diameter (Ø): 12.7 mm / 1/2 in
- Length (l): 51 mm / 2.01 in
- External Thread (a): 3/8" NPT
- Plug Head (c): 17.5 mm / 11/16 in
- Weight: 0.07 kg / 0.15 lbs
- Pencil Type: 2T
- EAN: 8059617819088
- Supply: Complete with brass plug
Tecnoseal TEC-E1E – Westerbeke Zinc Pencil Anode Ø12.7x38 mm with 3/8" NPT Brass Plug
The Tecnoseal TEC-E1E features a 12.7 mm (1/2 in) diameter zinc rod measuring 38 mm (1.50 in) in length. Its brass plug uses a 3/8" NPT external mounting thread with a 17.5 mm (11/16 in) head dimension.
This model shares the diameter and mounting specifications of the TEC-E1 but features a shorter zinc element. It weighs 0.07 kg (0.15 lbs), uses the Tecnoseal 2T configuration and corresponds to Westerbeke original part number 301068.
- Product Code: TEC-E1E
- Original Westerbeke Part Number: 301068
- Diameter (Ø): 12.7 mm / 1/2 in
- Length (l): 38 mm / 1.50 in
- External Thread (a): 3/8" NPT
- Plug Head (c): 17.5 mm / 11/16 in
- Weight: 0.07 kg / 0.15 lbs
- Pencil Type: 2T
- EAN: 8052744984261
- Supply: Complete with brass plug
Tecnoseal TEC-E0 – Westerbeke Zinc Pencil Anode Ø9.5x44 mm with 1/4" NPT Brass Plug
The Tecnoseal TEC-E0 features a cylindrical zinc rod measuring 9.5 mm (3/8 in) in diameter and 44 mm (1.73 in) in length. Its brass mounting plug has a 1/4" NPT tapered external thread and a 12.7 mm (1/2 in) head dimension.
Weighing 0.04 kg (0.09 lbs), the assembly uses the Tecnoseal 2T configuration. It is listed with Westerbeke original part numbers 260085-5, 267928 and 11885, and is equivalent to Tecnoseal TEC-SD2.
- Product Code: TEC-E0
- Original Westerbeke Part Numbers: 260085-5, 267928, 11885
- Equivalent Reference: TEC-SD2
- Diameter (Ø): 9.5 mm / 3/8 in
- Length (l): 44 mm / 1.73 in
- External Thread (a): 1/4" NPT
- Plug Head (c): 12.7 mm / 1/2 in
- Weight: 0.04 kg / 0.09 lbs
- Pencil Type: 2T
- EAN: 8059617819071
- Supply: Complete with brass plug
Original Part Numbers and Cross-References
Tecnoseal Code Original Westerbeke Part Number Equivalent Tecnoseal Reference TEC-E00 301069 TEC-SD1 TEC-E1 36889 – TEC-E1E 301068 – TEC-E0 260085-5, 267928, 11885 TEC-SD2
Application and Compatibility
These Tecnoseal zinc pencil anodes are listed for Westerbeke marine applications and intended for compatible cooling system installations using replaceable sacrificial zinc elements with brass mounting plugs.
- Compatible Westerbeke marine engine cooling systems
- Marine generator cooling systems using matching anodes
- Compatible heat exchangers
- Replacement of complete zinc pencil anode assemblies
- Installations requiring 1/8", 1/4" or 3/8" NPT threaded connections
Model Selection
Select the appropriate Tecnoseal Westerbeke pencil anode by matching the original part number, zinc rod diameter, body length and brass plug mounting thread.
The TEC-E00 features a 6.35 mm diameter zinc rod with a 1/8" NPT mounting thread. The TEC-E0 has a 9.5 mm diameter zinc rod with a 1/4" NPT connection. The TEC-E1 and TEC-E1E both use 12.7 mm diameter zinc rods and 3/8" NPT threads, but differ in body length: 51 mm and 38 mm respectively.
Models sharing the same threaded connection may have different zinc rod dimensions. Confirm the original component and available installation clearance before ordering.
NPT threads are tapered and must not be confused with parallel threaded connections such as BSPP.
Supply: One zinc sacrificial pencil anode complete with brass mounting plug.
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