Lewmar Size 70 Hatch – Best Ocean Series Flange Base Review

Introduction

The Lewmar Size 70 Ocean Series Hatch Flange Base for Boats & Marine Engines is a premium-quality marine hatch designed to deliver superior performance, durability, and ease of use. Known for its robust construction and watertight sealing, this hatch is widely trusted by boat owners, sailors, and marine engineers worldwide. If you’re upgrading or replacing your existing hatch, the Lewmar Size 70 Hatch offers unmatched features for safety and comfort at sea.

Designed with precision engineering, this hatch not only enhances ventilation but also ensures security against harsh marine environments. Whether you are cruising or anchored, its build quality promises long-term reliability and minimal maintenance.

Overview / What Is Lewmar Size 70 Ocean Series Hatch Flange Base

The Lewmar Size 70 Hatch is part of the Ocean Series, a product line renowned for its high-strength materials and advanced sealing technologies. Crafted to endure extreme weather conditions, this hatch provides superior protection against leaks while offering excellent ventilation options. Its flange base design makes installation straightforward, ensuring a secure fit on various boat models.

This hatch is widely used across sailing yachts, powerboats, and other marine vessels. It not only meets but often exceeds industry safety and performance standards.

Key Features of Lewmar Size 70 Hatch

Below are the standout features that make this hatch a preferred choice:

• High-Grade Construction: Made with anodized aluminum for corrosion resistance.
• UV-Resistant Acrylic: Long-lasting clarity and strength against sun exposure.
• Watertight Seal: Ensures complete protection against water ingress.
• Easy Installation: Flange base design simplifies mounting and replacement.
• Enhanced Security: Multiple locking points for safety at sea.

Why Choose Lewmar Size 70 Hatch for Your Boat?

Choosing the right hatch is crucial for maintaining onboard safety and comfort. The Lewmar Size 70 Hatch offers:

1. Improved Ventilation: Adjustable opening angles allow fresh air circulation without compromising safety.
2. Low Maintenance: Resistant to corrosion, UV damage, and wear.
3. Universal Fit: Compatible with a variety of boat models and decks.
4. Long-Term Value: A durable investment that enhances vessel resale value.

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Installation Guide for Lewmar Size 70 Ocean Series Hatch

Installing the Lewmar Size 70 Hatch is a straightforward process if done correctly. Here’s a step-by-step approach:

1. Prepare the mounting surface by cleaning and sanding the area.
2. Apply marine-grade sealant around the flange base.
3. Position the hatch carefully and secure it with stainless steel fasteners.
4. Tighten all screws evenly to ensure a watertight seal.
5. Allow the sealant to cure before exposing the hatch to water.

Note: Improper installation may lead to leaks and damage. Always follow the manufacturer’s instructions or hire a marine professional for best results.

Maintenance Tips

To prolong the life of your Lewmar Size 70 Hatch:

• Clean the acrylic lens regularly with mild soap and water to prevent scratches.
• Lubricate moving parts with silicone spray to ensure smooth operation.
• Inspect seals annually and replace them if they show signs of wear.
• Check fasteners periodically to ensure they remain tight and secure.

Proper care ensures your hatch continues to perform optimally in all weather conditions.

Expert Advice and Pro Recommendations

Marine experts recommend pairing the Lewmar Size 70 Hatch with other Ocean Series products for a complete upgrade of your vessel’s deck hardware. It’s also advisable to use only OEM parts for replacements to maintain structural integrity and warranty validity.

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Detailed FAQ Section

How do I install the Lewmar Size 70 Hatch correctly?

Installing the Lewmar Size 70 Hatch requires proper preparation and attention to detail. First, measure the cutout area to confirm compatibility. Clean the surface thoroughly and remove any old sealant or debris. Apply a continuous bead of marine-grade sealant around the opening, place the hatch in position, and align it evenly. Secure it using stainless steel screws, tightening them gradually in a crisscross pattern to avoid stress points. Once installed, allow the sealant to cure fully. Following these steps ensures a watertight fit and long-lasting performance. Hiring a professional installer is recommended if you are unfamiliar with boat hardware installations.

What makes the Lewmar Size 70 Hatch durable in marine conditions?

The Lewmar Size 70 Hatch is built with marine-grade anodized aluminum and UV-resistant acrylic, both designed to withstand extreme weather conditions. The materials resist corrosion, saltwater exposure, and sun damage. Additionally, its precision-engineered sealing system prevents water ingress, even in rough seas. Regular maintenance, such as cleaning and lubrication, further enhances its durability. These factors combine to make the hatch one of the most reliable options for long-term use in challenging marine environments.

Can I replace my old hatch with the Lewmar Size 70 Ocean Series Hatch?

Yes, the Lewmar Size 70 Ocean Series Hatch is designed to fit most standard boat openings. However, it’s crucial to check the exact cutout dimensions of your existing hatch before purchasing. The flange base design allows for easy installation on a variety of deck configurations. In some cases, slight modifications may be required to ensure a perfect fit. Always refer to the installation manual or consult with a marine technician to avoid compatibility issues.

What maintenance is required for the Lewmar Size 70 Hatch?

Maintaining the Lewmar Size 70 Hatch is simple but essential. Regularly clean the acrylic lens with non-abrasive cleaners to prevent scratches. Avoid using solvents that can damage the surface. Inspect the rubber seals for cracks or signs of wear and replace them if necessary. Lubricate hinges and locking mechanisms with a silicone-based lubricant to keep them functioning smoothly. Performing these maintenance tasks periodically will help extend the lifespan of the hatch and maintain its watertight integrity.

Is the Lewmar Size 70 Hatch worth the investment?

Absolutely. The Lewmar Size 70 Hatch is a premium product that offers exceptional value for money. Its robust construction, excellent sealing capability, and ease of use make it a worthwhile investment for any boat owner. It not only enhances onboard comfort by improving ventilation but also contributes to vessel safety by providing a secure and watertight closure. Considering its long-term durability and minimal maintenance requirements, this hatch is an excellent choice for those looking to upgrade or replace their existing marine hardware.

Conclusion

The Lewmar Size 70 Ocean Series Hatch Flange Base is an outstanding choice for boat owners who prioritize durability, safety, and ease of installation. With its robust build and advanced sealing technology, this hatch ensures long-lasting performance and peace of mind at sea. Whether you’re upgrading or replacing, this hatch provides exceptional value and reliability.

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