Neptune 108102 O-ring
$15.20
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The Neptune 108102 O-Ring is an original Neptune replacement part designed to create a secure, leak-free seal on Neptune chemical feeders with 4″ caps. This square-section gasket ensures proper closure, chemical resistance, and long service life in demanding water treatment applications.
Manufactured to OEM specifications by Neptune Chemical Pump Company, it is compatible with multiple Neptune feeder series used in HVAC, boiler, and industrial water treatment systems.
Technical Specifications
Specification Details Part Number 108102 Product Type Square-Section O-Ring / Ring Gasket Inner Diameter 3.6 inches Outer Diameter 4 inches Thickness 0.203 inches Material High-quality, chemical-resistant gasket material Compatibility Neptune feeders with 4″ caps Compatible Series VTF (2HP, 5HP, 10HP), DBF (2HP, 5HP, 10HP), FTF series OEM Status Original Neptune part
How the Neptune 108102 O-Ring Works and Why It’s Essential for Water Treatment Feeders
The Neptune 108102 O-Ring ensures a tight, leak-free seal on Neptune chemical feeders with 4″ caps. It helps maintain pressure, prevents chemical leaks, and supports safe system operation.
This is an original OEM part from Neptune Chemical Pump Company. Because it is manufactured to factory specifications, it fits correctly and seals consistently. As a result, feeders operate more reliably and require less maintenance.
In addition, the 108102 O-ring uses a square-section design. This shape improves surface contact when the cap is tightened. Therefore, it reduces the risk of leaks and pressure loss during operation.
Moreover, this gasket is compatible with multiple Neptune feeder lines. It fits VTF, DBF, and FTF series units used in boiler, HVAC, and industrial water treatment systems. This wide compatibility makes it an ideal replacement part for routine maintenance.
Finally, replacing worn gaskets is a simple way to extend feeder life. When used with Neptune bypass feeders and other water treatment replacement parts, the Neptune 108102 O-Ring helps maintain consistent chemical dosing and protects system components over time.
Specifications and Use Cases of the Neptune 108102 O-Ring
The Neptune 108102 O-Ring is a purpose-built sealing component designed for reliable performance in chemical feeder systems. It is engineered to maintain a secure seal on Neptune feeders that use a 4″ cap, supporting safe and consistent chemical dosing in water treatment applications.
Manufactured as an original OEM part by Neptune Chemical Pump Company, this square-section gasket meets exact factory tolerances. Because of this precision, it delivers dependable sealing, reduces leak risk, and helps preserve system pressure during operation.
The square-section profile improves surface contact between the cap and feeder body. As a result, the seal remains stable even under repeated opening, closing, and pressure cycling. This makes the Neptune 108102 O-Ring ideal for routine maintenance and long-term system reliability.
Designed for broad compatibility, this O-ring fits multiple Neptune feeder families. It works seamlessly with VTF, DBF, and FTF series feeders used across HVAC, boiler, and industrial water treatment systems.
Key Specifications
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Part Number: 108102
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Product Type: Square-section O-ring / ring gasket
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Inner Diameter: 3.6 inches
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Outer Diameter: 4 inches
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Thickness: 0.203 inches
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Material: Chemical-resistant gasket material
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Cap Size Compatibility: 4″ wide-mouth feeder caps
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OEM Status: Original Neptune replacement part
Use Cases & Industry Applications
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Preventive maintenance for Neptune chemical feeders
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Boiler water treatment systems
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Closed-loop HVAC and chilled water systems
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Industrial water treatment installations
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Replacement gasket for VTF, DBF, and FTF series feeders
By replacing worn or damaged gaskets with the Neptune 108102 O-Ring, operators can maintain proper sealing, reduce downtime, and extend the service life of their Neptune chemical feeders.
No replacement parts listed for this item yet.
FAQs
1: What is the Neptune 108102 O-Ring used for?
A: It is a sealing gasket used on Neptune chemical feeders with 4″ caps. It creates a leak-free seal and helps maintain proper system pressure during chemical dosing.
2: Is the Neptune 108102 an original OEM part?
A: Yes. It is an original replacement part manufactured by Neptune Chemical Pump Company, designed to meet factory specifications.
3: Which Neptune feeders are compatible with this O-ring?
A: The 108102 O-ring fits Neptune feeders with 4″ caps, including VTF, DBF, and FTF series models such as VTF-2HP, DBF-5HP, and similar units.
4: Why does the square-section design matter?
A: The square-section profile increases surface contact between the cap and feeder body. As a result, it improves sealing performance and reduces the risk of leaks.
5: When should I replace the Neptune 108102 O-Ring?
A: It should be replaced during routine maintenance or whenever the existing gasket shows signs of wear, cracking, or leakage. Regular replacement helps protect feeders and extend system life.
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