Top Boat Plumbing Fittings and Accessories

The best Boat Plumbing Fittings includes Attwood Snap-Handle Drain Plug [7524A7], Attwood T-Handle Drain Plug (11587-4), Seachoice Brass Deck & Baitwell Plugs (2-Pack) and many others as mentioned below.

1

Attwood Snap-Handle Drain Plug [7524A7]

  • Fits 1-inch inside diameter drain openings.
  • Easy to insert and remove the drain plug.
  • Locks securely with a snap-down handle.
  • Brass handle for durability and reliability.
  • Rubber plug ensures a tight seal.
  • Perfect for on-board drain management.
  • Simple operation: turn to lock or unlock.
  • Average Rating out of 5:
  • Price Range: $4.88
  • Color: Unspecified
  • Material: Brass
2

Attwood T-Handle Drain Plug (11587-4)

  • Easily plugs drains on board.
  • Locks securely with T-Handle mechanism.
  • Compatible with 1-inch drain openings.
  • Durable rubber construction for longevity.
  • Brass-plated handle for added durability.
  • Simple clockwise and counter-clockwise operation.
  • Effortless removal when needed.
  • Average Rating out of 5:
  • Price Range: $6.10
  • Size: ‎One Size
3

Seachoice Brass Deck & Baitwell Plugs (2-Pack)

  • Durable brass construction for long-lasting use.
  • Designed for livewells and baitwells.
  • Easy installation with Snap-Lock design.
  • Includes stainless steel top and bottom plates.
  • Neoprene body ensures a secure fit.
  • Pack of 2 for convenience and value.
  • Compact size: 3/4 inch for versatile applications.
  • Average Rating out of 5:
  • Price Range: $6.21
  • Color: Brass
  • Material: Stainless Steel, Brass, Neoprene
4

Spurick Brass Drain Plugs (2 Pack)

  • High-quality 1/2" NPT solid brass construction.
  • Durable and corrosion-resistant for long-lasting use.
  • Precision threads ensure a tight and secure fit.
  • Commonly used in various boat hulls and models.
  • Excellent waterproof sealing performance for reliability.
  • Versatile for use with grease, fuels, and gases.
  • Includes two drain plugs for added convenience.
  • Average Rating out of 5:
  • Price Range: $8.99
  • Material: Brass
5

Attwood Adjustable Polypropylene Livewell (4125-7)

  • Adjustable spray head improves water quality.
  • Compatible with ¾ inch inside diameter hose.
  • Designed for easy side mounting on tanks.
  • Fits tanks with 5/8 inch wall thickness.
  • Ideal for various boating applications.
  • Durable polypropylene construction for longevity.
  • Enhances overall livewell performance and functionality.
  • Average Rating out of 5:
  • Price Range: $12.99
  • Size: ‎3/4 inch,‎One Size
  • Material: Plastic
6

HAPDEN Brass Boat Drain Plug (2 Pack)

  • Made from durable solid brass material.
  • Precision CNC machined for high quality.
  • Fits standard 1/2" NPT threaded sockets.
  • Provides a watertight seal for boats.
  • Sold in pairs for convenience.
  • Corrosion-resistant for long-lasting use.
  • Factory direct for quality assurance.
  • Average Rating out of 5:
  • Price Range: $8.99
  • Material: Brass
7

Attwood Tsunami Mk2 500 Aerator

  • Keep your bait and fish alive easily.
  • Flexible installation with 90 and straight inlets.
  • Backward compatibility with previous Tsunami models.
  • Faster installation without sealant or tools.
  • Durable construction for long-lasting performance.
  • Efficient aeration for optimal fish health.
  • Compact design fits various boat configurations.
  • Average Rating out of 5:
  • Price Range: $39.84
  • Size: ‎3 1/2" L
8

BOPOREAE Expandable Mechanical Seal Plug

  • Expandable design for various pipe sizes.
  • Leakproof seal for reliable performance.
  • Durable stainless steel and rubber construction.
  • Easy installation with removable Allen wrench handle.
  • Versatile use for drainage and clean-outs.
  • Resistant to heat, oil, and rust.
  • Ideal for winterizing pools and boats.
  • Average Rating out of 5:
  • Price Range: $17.24
  • Color: Black
  • Material: Stainless Steel, Rubber
9

Attwood T-Handle Drain Plug (7526A7)

  • Fits 1-inch diameter drain openings.
  • Durable non-corrosive brass construction.
  • Convenient T-handle design for easy operation.
  • Locks securely in place when installed.
  • Simple counter-clockwise turn for removal.
  • Includes a reliable rubber plug seal.
  • Ideal for boats and marine applications.
  • Average Rating out of 5:
  • Price Range: $10.73
  • Size: ‎One Size
  • Material: Plastic
10

Better Boat Stainless Steel Drain Plug Kit

  • Made from durable 316 stainless steel.
  • Corrosion-resistant for harsh marine environments.
  • Universal compatibility with standard boat sizes.
  • Easy installation with standard drain plug wrench.
  • Includes screws for secure thru-hull attachment.
  • Available in brass version for versatility.
  • Family-owned business with quality commitment.
  • Average Rating out of 5:
  • Price Range: $17.99
  • Color: Silver
  • Material: Stainless Steel
11

SeaSense 1-Inch Stainless Steel Drain Plug

  • Durable stainless steel construction for longevity.
  • 1-inch diameter twist plug for secure sealing.
  • Easy installation with "T" handle design.
  • Corrosion resistant for marine applications.
  • Clockwise rotation ensures tight fit.
  • Ideal for boats and watercraft drainage.
  • Lightweight design for easy handling.
  • Average Rating out of 5:
  • Price Range: $11.92
  • Size: ‎1 inch
  • Material: Aluminum, Stainless Steel, Brass
12

Attwood Scupper Valve Kit (3876-3)

  • Efficiently drains water from cockpits.
  • Designed for 2-inch thru-hull fittings.
  • Includes retainer ring and screws.
  • Features durable rubber flapper valve.
  • Easy installation with included gasket.
  • Mounts above waterline or thru-hull.
  • Diameter measures 2-7/8 inches.
  • Average Rating out of 5:
  • Price Range: $10.52
  • Size: ‎2 Inches
  • Material: Acetal
13

SEACHOICE 90° Thru Hull Fitting

  • Reliable thru-hull connection for secure installation.
  • Fits ¾ inch inside diameter hose easily.
  • Flange diameter measures 1-1/2 inches.
  • Maximum hull thickness of 3/4 inch.
  • Constructed from high-impact white plastic.
  • Durable design for long-lasting performance.
  • Manufacturer part number: 50-18131.
  • Average Rating out of 5:
  • Price Range: $11.47
  • Size: ‎One Size
14

SEAFLO Thru Hull Fittings with Check Valve

  • Durable polypropylene and glass-filled nylon construction.
  • Built-in check valve prevents backflow effectively.
  • Exceptional resistance to corrosion and UV degradation.
  • Impact-resistant design ensures long-lasting performance.
  • Easy installation in tight spaces and corners.
  • Available in multiple sizes and colors.
  • 4-year warranty for added peace of mind.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Size: ‎1”
15

Attwood Mercury Tank Fitting (8899LP6)

  • Durable metal construction for long-lasting performance.
  • Designed for fishing equipment applications.
  • Lightweight at only 0.308 pounds.
  • Compact dimensions for easy storage.
  • Made in Taiwan with quality materials.
  • Compatible with Mercury fuel tanks.
  • Easy to install for convenience.
  • Average Rating out of 5:
  • Price Range: $12.17
  • Material: Metal
16

Attwood Universal Sprayless Connector [8838US6]

  • Eliminates spray during fuel connection and disconnection.
  • High strength body for marine environment durability.
  • Compatible with 3/8" and 5/16" fuel lines.
  • Pre-applied thread sealant prevents fuel leaks.
  • Includes check valves for safe disconnection.
  • High fuel flow with minimal restriction.
  • Compatible with Ethanol blended fuels and engines.
  • Average Rating out of 5:
  • Price Range: $18.13
  • Color: Black
  • Material: Brass
17

Nayciiy Boat Drain Plug Set (2 Pcs)

  • Durable brass and rubber construction.
  • Corrosion and rust resistant materials.
  • Easy installation with twist T-handle.
  • Compatible with various boat types.
  • Available in two sizes for different drain holes.
  • Long-lasting performance for marine environments.
  • Customer support available for inquiries.
  • Average Rating out of 5:
  • Price Range: $12.99
  • Size: ‎1 inch
  • Material: Rubber
18

SEAFLO Angled Thru Hull Fitting with Valve

  • Durable polypropylene and glass-filled nylon construction.
  • Built-in check valve prevents unwanted backflow.
  • Corrosion-resistant for saltwater and marine environments.
  • 90-degree angled design for tight installation spaces.
  • Available in multiple sizes for versatile applications.
  • 4-year limited warranty for peace of mind.
  • Ideal for boats, yachts, and RVs plumbing systems.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Size: ‎1 Inch
  • Material: Polypropylene & Glass-Filled Nylon
19

NRC&XRC Stainless Steel Thru-Hull Fitting

  • Marine grade 316 stainless steel construction.
  • Heavy-duty and durable design for long-lasting use.
  • Customized gasket for easy installation process.
  • Flange outer diameter of 1.54 inches.
  • Thread length approximately 31.7mm (1-1/4 inch).
  • 1/2 inch thread outer diameter for compatibility.
  • Max hull thickness of 5/8 inch supported.
  • Average Rating out of 5:
  • Price Range: $16.77
  • Color: 1/2"O.D
  • Material: Stainless Steel
20

Seachoice Cast Bronze Garboard Drain (2 In.)

  • Durable cast bronze construction for long-lasting use.
  • 2-inch outside diameter for efficient drainage.
  • Includes brass plug for secure sealing.
  • Facilitates bilge drainage when out of water.
  • Fits standard ½ inch pipe for easy installation.
  • Mounts securely with 8 fasteners included.
  • Clear packaging for easy visibility and application.
  • Average Rating out of 5:
  • Price Range: $15.64
  • Size: ‎One Size
  • Material: Bronze, Brass
21

FLAVOCAL 4 Pcs Silicone Scupper Plugs

  • Includes 4 pieces of scupper plugs.
  • Fits holes from 1.32 to 1.5 inches.
  • Made of high elasticity, durable rubber material.
  • Anti-slip coil design prevents peeling off.
  • Easy installation with convenient ring-pull.
  • Prevents water infiltration effectively.
  • Suitable for boats, canoes, and inflatables.
  • Average Rating out of 5:
  • Price Range: $7.10
  • Color: Black
  • Material: Rubber
22

Adabuing PVC Push-in Drain Plug Replacement

  • Compatible with T-H-Mar-ine drain overflow tubes.
  • Stops water flow from livewell or sink drains.
  • Durable marine grade PVC construction ensures longevity.
  • Features pull tab for easy removal and handling.
  • Double seal rings ensure reliable sealing performance.
  • Fits 1-1/2" drain diameter perfectly.
  • Responsive customer service available within 24 hours.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Size: ‎1Pack
  • Material: Polyvinyl Chloride
23

Gopayia 3/4" Bilge Pump Hose Kit 6FT

  • Compatible with 3/4" OD bilge pumps.
  • Includes 6FT bilge hose for convenience.
  • Comes with thru-hull connector for easy installation.
  • Two clamps ensure secure hose connections.
  • Ideal for boats, pools, inflatable dinghies.
  • Durable construction for long-lasting use.
  • Customer support available for inquiries or issues.
  • Average Rating out of 5:
  • Price Range: $14.59
  • Size: ‎3/4 x 1pack
  • Material: Stainless Steel, Plastic
24

Gaderth Stainless Steel Marine Drain Plug

  • Durable stainless steel or brass construction.
  • Corrosion-resistant for long-lasting performance.
  • Easy twist-turn mechanism for quick use.
  • Compatible with 3/4", 1", and 1-1/4" holes.
  • Provides a tight, leak-proof seal.
  • Professionally crafted for safety and reliability.
  • Ideal for marine boat bilge transom applications.
  • Average Rating out of 5:
  • Price Range: $11.49
  • Color: Copper, 25mm
  • Material: Stainless Steel
25

Ciweisah T-Handle Boat Drain Plug (1.25")

  • Durable brass and stainless steel construction.
  • Corrosion-resistant for long-lasting use.
  • Easy-grip handle for simple installation.
  • Compatible with various boat types.
  • Available in 1 inch and 1.25 inches.
  • Includes two plugs for replacement needs.
  • Moisture-proof design ensures reliability.
  • Average Rating out of 5:
  • Price Range: $12.99
  • Color: Stainless Steel-1.25inch
  • Material: Stainless Steel, Brass, Rubber
26

Spears 90° PVC Elbow Fitting, 1"

  • Connects tubing at a 90-degree angle.
  • Barbed male insert for secure connection.
  • Male NPT threads for female pipe connection.
  • Made from durable PVC material.
  • Resistant to chemicals and corrosion.
  • Maximum operating temperature of 140°F.
  • Certified for potable water service by NSF.
  • Average Rating out of 5:
  • Price Range: $7.95
  • Color: Gray
  • Material: PVC