Thru-Hull Fittings
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Thru-Hull Fittings

Ensure the safety and reliability of your boat's plumbing system with our top-quality thru-hull fittings, designed to provide a secure and leak-free connection between the boat's hull and plumbing components.


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  1. GROCO 1-1/2" 90 Degree Hose Thru-Hull Fitting

    Special Price $116.73 Regular Price $186.00
  2. GROCO 1-1/4" 90 Degree Hose Thru-Hull Fitting

    Special Price $73.14 Regular Price $102.00
  3. GROCO 1" 90 Degree Hose Thru-Hull Fitting

    Special Price $48.64 Regular Price $67.00
  4. GROCO 3/4" 90 Degree Hose Thru-Hull Fitting

    Special Price $41.20 Regular Price $53.00
  5. GROCO 1" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut

    Special Price $42.34 Regular Price $56.00
  6. GROCO 3" Bronze High Speed Thru-Hull Fitting w/Nut

    Special Price $176.08 Regular Price $284.00
  7. GROCO 2" Bronze High Speed Thru-Hull Fitting w/Nut

    Special Price $66.23 Regular Price $97.00
  8. GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut

    Special Price $57.79 Regular Price $75.00
  9. GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut

    Special Price $44.63 Regular Price $60.00
  10. GROCO 1" Bronze High Speed Thru-Hull Fitting w/Nut

    Special Price $29.18 Regular Price $33.00
  11. GROCO 2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut

    Special Price $58.60 Regular Price $84.00
  12. GROCO 1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut

    Special Price $54.93 Regular Price $77.00

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WHAT ARE THE THRU-HULL FITTINGS AND WHY ARE THEY IMPORTANT FOR BOATS?

Thru-hull fittings are plumbing components that are installed through the hull of a boat to allow water to enter or exit the boat's systems. They are important for boats to ensure a safe and reliable connection between the boat's plumbing components and the hull, and to prevent leaks or damage to the boat's systems.


WHAT TYPES OF THRU-HULL FITTINGS ARE AVAILABLE?

There are several types of thru-hull fittings available, including bronze, plastic, and stainless steel. Bronze fittings are durable and long-lasting, making them a popular choice for larger boats or those operating in harsh environments. Plastic fittings are lightweight and affordable, making them a good choice for smaller boats or those on a budget. Stainless steel fittings are strong and corrosion-resistant, making them a good choice for boats operating in saltwater environments.


HOW DO YOU INSTALL A THRU-HULL FITTING ON A BOAT?

Installing a thru-hull fitting on a boat is a relatively simple process. The first step is to choose the appropriate type and size of fitting for your boat's systems. Once you have the fitting, you will need to drill a hole through the hull at the appropriate location, and then install the fitting from the inside of the boat. It is important to ensure that the fitting is installed securely and that all connections are tight to prevent any leaks or damage to the boat's systems.


WHAT ARE SOME COMMON USES FOR THRU-HULL FITTINGS ON BOATS?

Thru-hull fittings are commonly used for a variety of applications on boats, including as intake or discharge fittings for the boat's plumbing systems, as bilge pump fittings, and as transducer fittings for depth sounders or fishfinders. They can also be used for other applications such as engine cooling, air conditioning, and live bait wells.


HOW DO YOU MAINTAIN AND INSPECT THRU-HULL FITTINGS ON A BOAT?

Maintaining and inspecting thru-hull fittings on a boat is essential to ensure that they continue to function properly and safely. It is important to inspect all fittings regularly for any signs of damage or wear, and to replace any fittings that are damaged or corroded. It is also important to ensure that all connections are tight and that there are no leaks. Cleaning the fittings regularly and keeping them free of debris can also help to prevent damage or corrosion.

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