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Engineered for modern boats that demand both style and substance, the Lewmar Size 03 Low Profile Hatch stands out with its streamlined design that blends seamlessly into any deck. Whether you're outfitting a sleek powerboat or adding ventilation to a sailboat's coachroof, this hatch delivers exceptional airflow without compromising the clean lines of your vessel. Its innovative sealing technology simplifies acrylic panel swaps, keeping maintenance straightforward even in remote anchorages.
Boat owners rave about how this hatch transforms tight spaces into breathable retreats, making long passages more comfortable without the bulk of traditional designs.
Installing the Lewmar Size 03 Low Profile Hatch is a breeze for DIY enthusiasts or pros alike. Ensure your mounting surface is flat within a 1mm tolerance for optimal sealing. Use M6 or 1/4-inch fasteners at the hinge and 5mm countersunk No.10 UNC or 2 BA screws for the lower frame. The radiused corners make template cutting precise, reducing the risk of deck damage during fitment.
| Support System | Lower Frame (in) | Acrylic Colour | Hatch Weight (lb) | Acrylic Window Thickness (in) |
|---|---|---|---|---|
| Self Supporting | 9/16 | Smoke Gray | 3.5 | 5/16 |
These measurements ensure compatibility with standard deck cut-outs. All values in inches for accuracy.
| Length X | Width Y | Height Z | Radii R | Cut-Out Length X1 | Cut-Out Width Y1 | Cut-Out Radii R1 |
|---|---|---|---|---|---|---|
| 9 11/16 | 11 7/8 | 1 | 2 7/8 | 6 15/16 | 9 1/8 | 1 11/16 |
To keep your Lewmar hatch performing like new, rinse with fresh water after every saltwater exposure. Lubricate hinges annually with marine-grade grease, and inspect seals for wear. The quick-release acrylic system means replacements are hassle-free—no need for specialized tools. This hatch's lightweight build at 3.5 pounds makes it easy to handle during upkeep.
Its ultra-sleek 1-inch height and soft styling reduce drag and enhance aesthetics, making it a top choice for speed-focused power craft while providing essential ventilation.
Absolutely. The Size 03 is perfect for smaller deck areas like cabins or cockpits on sailboats, and it's rated for CE Area 2, covering coachroofs and transoms.
Lewmar's unique sealing system allows for tool-free acrylic removal and replacement, saving time and effort compared to traditional hatches.
Use M6 or 1/4-inch bolts at the hinge and 5mm CSK No.10 UNC or 2 BA screws for the lower frame on a flat surface within +/-1mm tolerance.
Yes, it features a self-supporting mechanism, holding position securely in various weather conditions without additional props.
Weighing just 3.5 pounds with 5/16-inch thick smoke gray acrylic, it's lightweight yet robust for marine use.
Precise cut-out dimensions are 6 15/16 x 9 1/8 inches with 1 11/16-inch radii, designed for clean, template-friendly installs.
The Low Profile hatches have soft styling and sleek looks. They are ideal for use on power craft. Smaller ventilation hatches are suitable for any deck location on sailboats and the larger hatches can even be used as foredeck hatches. The hatch also features Lewmar's unique sealing system allowing easy acrylic replacement
| All sizes suitable for CE Area 2 (Deck, Coachroof, Cockpit and Transom). Mounting Instructions Fit to a flat surface with a maximum tolerance of +/- 1mm. Fastening size at hinge section use (M6 / 1/4"). Fastening size for lower frame use 5mm CSK screw No.10 UNC 2 BA. | ||||||||||||||
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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
US$40
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