Please enter your email address and we’ll send you a link to reset your password right away.

Your VIP area awaits in the APP

Log in to the app to manage your account, orders, and exclusive benefits.

Order tracking

Order tracking

Personalized notifications

Personalized notifications

Exclusive offers

Exclusive offers

Staying signed in lets you shop faster, check your orders, and access your favorites without signing in again.

Stay signed in
Log out
top

Sold and shipped by

sales

Free shipping

Return of order

Homepage

Maestrini 3´´ thru-hull

Price without code 413.99

RRP:

You save:

Price without subscription

VAT & duties included

No extra charges at delivery.

What is my size?

What is my size?

My virtual fitting room

My virtual fitting room

Single purchase

Add to my pack 

You save:

Buy now in 1 click
Back to PC configurator

Buy this product and earn

Color:

Free shipping

dto_trans discount on shipping

Free assembly

Free removal of old appliance (only with Ader)

Your interest-free financing from with Klarna Paypal

Pay in 3, 4, 6 or up to 12 installments

My virtual fitting room

Other colors available

left
right

Perfect pairings

left
right

Reportar error

Trusted by over 25 million satisfied customers worldwide

Official brand warranty

Quick & easy 30-day return

Features of Maestrini 3´´

Product description of Maestrini 3´´ thru-hull

Description summary

MAESTRINI 3´´ Thru-Hull Fitting | Premium Marine Plumbing

Ensure the ultimate safety and reliability of your vessel´s plumbing system with the MAESTRINI 3-inch Thru-Hull fitting. Designed for discerning boat owners and professional installers, this essential component provides a secure, watertight connection through the hull for all your raw water intake and discharge needs. As a critical point of integrity for any boat, choosing a superior-quality fitting is paramount to your peace of mind on the water. This Maestrini fitting is engineered in Italy to meet the highest standards of performance and longevity in harsh marine environments.

The robust construction and meticulous engineering of this fitting offer unparalleled durability. It is crafted from a high-performance metallic alloy specifically formulated for exceptional resistance against saltwater corrosion, dezincification, and electrolysis. This ensures a long service life, preventing premature failure and costly, dangerous leaks. The full-flow design guarantees maximum water throughput without restriction, making it ideal for high-capacity applications such as engine cooling systems, large bilge pumps, or generator intakes.

Key Benefits:

* Superior Durability: Built to withstand the constant pressures of the marine environment, offering exceptional resistance to corrosion and degradation.
* Watertight Security: Precision-machined threads provide a tight, reliable seal when paired with a corresponding seacock, preventing water intrusion.
* Optimal Performance: A full-bore internal diameter ensures unrestricted flow, maximizing the efficiency of your onboard water systems.
* Professional Grade: Trusted by boat builders and marine technicians worldwide for its consistent quality and dependable performance.

Main Features:

This fitting features a classic low-profile mushroom head design that minimizes drag while underway and reduces the risk of snagging debris or lines. The substantial flange provides a large surface area for bedding compound, creating a strong and durable seal against the hull. Internally, the perfectly cut, standard pipe threads ensure compatibility and a secure connection with a wide range of marine seacocks and valves.

As a core part of your boat´s plumbing infrastructure, these Thru-hulls are engineered for straightforward installation and long-term reliability. Trust in Maestrini´s legacy of Italian craftsmanship to protect your investment and keep your vessel safe and operational for years to come. It is the ideal choice for new builds, refits, or as a direct replacement for inferior or aging fittings.

Technical Specifications:

* Brand: MAESTRINI
* Product Type: Mushroom Head Thru-Hull Fitting
* Nominal Diameter: 3 inches
* Thread Type: 3" BSP (British Standard Pipe)
* Head Diameter (D): 120 mm
* Overall Length (L): 125 mm
* Maximum Hull Thickness (S): 75 mm
* Required Installation Hole Saw Size: 90 mm
* Application: Suitable for use above or below the waterline

Technical specifications of Maestrini 3´´

Features of Maestrini 3´´

Color Brown

Color

Brown

Product Type Thru-hulls

Product Type

Thru-hulls

Key differentiators

Technology in Maestrini 3´´ thru-hull

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Maestrini 3´´ thru-hull

Write a review about this product

Answer the question

Write your answer

The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Best for

Benefits

Ideal buyer profiles

Competitive features

Where it excels

Consider alternatives if...

Verdict

Specs comparison

Specs vs competitors

Similar alternatives to this product
Related products viewed by other shoppers
We think you might be interested in this

You might also be interested in

Tradeinn works with its own stock and with more than 2,000 suppliers connected daily. We update availability in real time to offer you the widest possible catalog, always at the best price. Some products may require additional delivery time depending on supplier availability.

Quick & easy 30-day return

Secure & safe shopping

100% Satisfaction Guaranteed

Always the best online price

Loading image