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Deck fillers

Equip your boat with reliable deck fillers designed for fuel, water, and waste tank connections. These essential fittings allow you to fill tanks safely and efficiently, ensuring a watertight seal that prevents leaks and contamination.

Available in stainless steel, chrome-plated brass, and durable plastic, deck fillers are built to withstand harsh marine conditions. They come in various cap types and hose sizes, often engraved or colour-coded to indicate their specific use (diesel, water, or waste).

Whether you’re refilling drinking water, fuel, or waste tanks, our marine deck fillers guarantee secure installation, easy access, and long-lasting corrosion resistance.

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What are deck fillers used for?

A deck filler is a deck-mounted fitting used to fill onboard tanks from outside the boat. It provides a safe, accessible entry point for filling freshwater tanks or emptying and servicing wastewater tanks.

Deck fillers are primarily used for:

They help prevent spills and ensure the correct tank is filled or emptied.

What types of deck fillers are available?

Common deck filler types include:

  • Freshwater
  • Wastewater
  • Fuel / diesel

Clear labeling is important to avoid cross-contamination or incorrect filling.

What materials are deck fillers made from?

Deck fillers are typically made from marine-grade materials such as:

  • Stainless steel: durable, corrosion-resistant and clean in appearance
  • Chrome-plated brass: robust with a classic marine look
  • Plastic: lightweight and corrosion-free

Material choice depends on deck exposure, aesthetics and installation requirements.