ASA Opening Ventilation Hatch - 448 x 268mm - 376 x 196mm Opening
Italian-made CE-certified ASA hatch with white satin exterior, smoked acrylic lens, trim ring, neoprene gasket, one stainless-shaft stay and one opening handle. Low-profile height 22mm above deck.
Specifications and product details
Outside size: 448 x 268mm
Inside opening: 376 x 196mm
Product code: RWB5220
Plan a precise hatch installation
A replacement hatch should be chosen by its opening dimensions, overall footprint and mounting requirements. Measure the existing aperture and available flat mounting area separately. The outer frame covers a larger area than the opening, and nearby rails, fittings or cabin trim can affect how far the lid is able to open.
Selection and fitting
Before cutting or drilling, compare the complete dimensional information with the installation location. Check the deck or panel thickness, corner shape and clearance on both sides. Use the fitting instructions for the selected model when choosing fastening and sealing arrangements. After fitting, check the closing action and inspect the seal contact around the opening. Regular cleaning of the frame, hinges and seal makes it easier to notice wear early.
Use the stated measurements to compare this version with the item being replaced. Overall dimensions, fixing centres and working clearances can describe different parts of a fitting, so check each relevant measurement separately. A quick comparison with the existing installation helps you choose the appropriate size before committing to new holes or changes to surrounding hardware.
For a refit, take measurements before removing the existing item and retain a note of its position and orientation. This gives you a useful reference when checking the replacement and helps keep related fittings aligned throughout the job.
Order ASA Opening Ventilation Hatch - 448 x 268mm - 376 x 196mm Opening from RHS Boating & Marine using product code RWB5220. The specifications above identify the listed version, helping you compare it with the dimensions and equipment on your boat before placing your order.