Water Deck Filler Cap
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SEAFLO Water Deck Filler Cap
The SEAFLO Water Deck Filler Cap (SFCW1-01) is a versatile, keyless deck filler solution engineered for freshwater tanks across a wide range of marine, RV, and vehicle applications. Built from UV-stabilized black nylon with a white body, this cap resists fading and cracking from prolonged UV exposure, ensuring long-term durability in outdoor environments. The blue easy-open screw top allows tool-free access — simply twist by hand to open or close, making it ideal for fast-paced marine and outdoor use.
A built-in high-grade O-ring seal ensures a tight, watertight connection that protects tank contents from dirt, debris, and moisture contamination. The included stainless steel retaining chain prevents the cap from being lost or misplaced during filling operations. Six pairs of metallic silver stick-on name plates are included, allowing users to clearly label the application: Fuel, Petrol, Gas, Water, or Diesel.
Key Features
- UV-stabilized nylon construction for long-lasting outdoor durability
- Keyless, tool-free screw-top design — open and close by hand
- High-grade O-ring seal for a watertight, leak-resistant connection
- Stainless steel retaining chain prevents cap loss during filling
- Compatible with 38mm (1-1/2") diameter hose
- Top surface diameter: 90mm; cutout hole size: 55mm
- Length below rim: 67mm; protrudes above deck: 18mm
- Includes 6 pairs of metallic silver stick-on identification labels (Fuel, Petrol, Gas, Water, Diesel)
- Suitable for boats, yachts, caravans, campervans, motorhomes, trucks, tractors, and trailer fuel tanks
- Available in White (SFCW1-01) and Black (SFCW2-01)
- CE certified; manufactured under ISO9001 quality management system
- 4-Year Limited Warranty (North America)
The SFCW1-01 is part of SEAFLO's Marine Accessories lineup and is suitable for both inland and coastal boat applications. Its universal fit makes it a practical replacement or upgrade for any standard deck filler installation requiring a 55mm cutout diameter and 38mm hose connection.
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