Sea-Dog Fresh Water Inlet - 316 Stainless Steel - 513110-1
Manufacturer Part #: 513110-1
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Sea-Dog Fresh Water Inlet - 316 Stainless Steel - 513110-1
Upgrade your boat’s dockside water connection with the Sea-Dog Fresh Water Inlet – 316 Stainless Steel – 513110-1, a durable, corrosion-resistant solution designed for reliable performance in harsh marine environments. Manufactured by Sea-Dog Line, this premium inlet provides a secure shore-side water hookup to your vessel’s pressurized freshwater system.
Crafted from marine-grade 316 stainless steel, this inlet offers superior resistance to rust, pitting, and saltwater corrosion—making it ideal for both freshwater and saltwater applications. The polished stainless faceplate delivers a clean, professional look that complements any deck or hull installation.
Designed for convenience and reliability, the inlet features a 1/2" FIPT (Female Iron Pipe Thread) internal connection and a 3/4" FGHT (Female Garden Hose Thread) swivel fitting, allowing for easy dockside hose attachment. A black watertight plug is included to keep debris and moisture out when the inlet is not in use.
Perfect for boats, yachts, and marine vessels requiring a dependable dockside water connection.
Key Features:
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✔ Marine-grade 316 stainless steel construction
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✔ Corrosion-resistant for saltwater environments
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✔ 1/2" FIPT internal connection
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✔ 3/4" FGHT swivel hose fitting
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✔ Includes watertight protective cap
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✔ Clean, flush-mount design
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✔ Manufacturer Part Number: 513110-1
Product Specifications: Sea-Dog 513110-1
The "513110-1" model is designed for a flush mount, providing a clean look on the exterior of your boat or vehicle.
| Feature | Specification |
| Material | Investment Cast 316 Stainless Steel |
| Connection (Back) | 1/2" FPT (Female Pipe Thread) |
| Connection (Front) | Standard 3/4" GHT (Garden Hose Thread) |
| Flange Diameter | 2-3/4" |
| Installation | Requires three #8 FH (Flat Head) screws |
| Check Valve | Built-in (prevents backflow) |
Key Benefits
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Corrosion Resistance: Unlike the 304 series, 316 Stainless Steel contains molybdenum, making it much more resistant to pitting and corrosion in saltwater environments.
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Built-in Check Valve: It includes an internal spring-loaded check valve. This ensures that when your onboard water pump is pressurized, water doesn't spray back out of the inlet.
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Durability: Unlike plastic inlets, this won't crack from UV exposure or cross-threading over time.
Included in the Box
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1 x Fresh Water Inlet Body: The main investment cast 316 stainless steel assembly.
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1 x Blue Plastic Dust Cap: A friction-fit or threaded cap (depending on the specific production batch) designed to keep debris and insects out of the hose threads when not in use.
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Internal Check Valve: This comes pre-installed inside the housing; you won't see it as a separate loose piece.
What is typically NOT included
It’s important to note that Sea-Dog usually expects you to provide your own mounting hardware to match your specific hull or wall thickness:
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Mounting Screws: You will need three #8 Flat Head (FH) screws. (I recommend using 316 stainless steel screws to prevent "bleeding" or tea-staining on your gelcoat).
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Gasket/Sealant: There is no pre-cut rubber gasket. You should use a marine-grade sealant (like 3M 4200 or Butyl tape) for a watertight seal.
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Plumbing Adapters: The back of the unit is a 1/2" FPT connection. If you are connecting to PEX or reinforced hose, you’ll need to purchase the corresponding
Pro-Tips for Installation
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Bedding is Key: Always use a high-quality marine sealant (like 3M 4200 or a silicone-based sealant) behind the flange to prevent water from leaking into your hull or wall laminate.
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Compatibility: Ensure your interior plumbing is ready for a 1/2" NPT/FPT fitting. You may need a 1/2" NPT male to PEX adapter if you are plumbed with flexible PEX tubing.
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Grounding: While not always required for water inlets, if you are bonding your boat’s hardware, keep in mind this is a conductive metal fitting.
Manufacturer : Sea-Dog
Manufacturer Part No : 513110-1
Product : SEA DOG FRESH WATER INLET 316 STAINLESS STEEL
Sea-Dog Fresh Water Inlet - 316 Stainless Steel - 513110-1 is backordered and will ship as soon as it is back in stock.
Sea-Dog Fresh Water Inlet - 316 Stainless Steel - 513110-1
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