Attwood Cowl Ventilator

The Attwood Cowl Ventilator ensures optimal airflow and ventilation for your marine vessel, combining durability and efficient design to enhance your boating experience.

Key Features

• Hull-mounted design allows for complete unit fastening from inside or outside the hull.
• Corrosion-resistant plastic construction prevents discoloration and extends the lifespan.
• Compatible with 3" I.D. wire-supported ventilation hoses (hose not included).
• Flexible hose flange screws securely onto the hose, enabling the vent to snap on easily.
• Constructed from chrome-plated die-cast Perma-Plate® ZAMAK for superior durability.
• Non-corrosive plastic flange ensures reliable performance in marine environments.
• Equipped with #8 screws for straightforward and secure installation.
• Meets ABYC H-2 cross-sectional area requirements for both intake and exhaust ventilation.

Installation Instructions

The Attwood Cowl Ventilator is designed for easy installation with an installation hole size ranging from 3-1/4" to 3-1/2". Follow these steps to install:

1. Choose the installation location on your hull and ensure the hole size is within the recommended range.
2. Fasten the ventilator unit securely to the hull using the provided #8 screws.
3. Attach the flexible hose flange to the 3" I.D. wire-supported ventilation hose.
4. Snap the ventilator onto the flange, ensuring a tight and secure fit.
5. Twist the ventilation hose into the bottom of the collector box to form a raised water barrier, preventing water ingress.

Technical Specifications

Feature	Details
Material	Chrome-plated die-cast Perma-Plate® ZAMAK, Plastic
Hose Compatibility	3" I.D. wire-supported ventilation hose
Flange Material	Non-corrosive plastic
Screws	#8 screws included
Installation Hole Size	3-1/4" to 3-1/2"
Compliance	Meets ABYC H-2 cross-sectional area requirements

Safety Information

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.