Sea-Dog Hose Thru Vent, 4 Inch Hose Size, Black ABS, Part 337425

The Sea-Dog Hose Thru Vent (part number 337425) is an injection molded ABS deck vent designed to ventilate cabins and bilge spaces on boats. It is built for use with 3 inch or 4 inch exhaust hose, with this version sized for 4 inch hose (Hose/Hole Size (D): 4 inches). The vent has an overall dimension (C) of 4-15/16 inches, a Dimension A of 3-9/16 inches, and a Dimension B of 3 inches, providing 4.05 square inches of vent area for effective airflow into the compartment it serves.

Construction is UV resistant injection molded ABS, chosen to hold up to marine sun exposure and outdoor use, though the vent should not be exposed to acetone or strong solvents, which can damage the plastic. Installation is straightforward: the vent mounts with four #8 flat head fasteners (fasteners are not included and must be purchased separately). This vent is finished in black; a white version is available as a separate Sea-Dog SKU for owners matching a lighter color scheme.

Specifications

• Brand: Sea-Dog
• Manufacturer Part Number: 337425
• Color: Black
• Material: Injection Molded ABS
• Dimension A: 3-9/16 inches
• Dimension B: 3 inches
• Overall Dimension (C): 4-15/16 inches
• Hose/Hole Size (D): 4 inches
• Vent Area: 4.05 square inches
• Fastener Type: #8 flat head fasteners (not included)
• Weight: 0.27 pounds
• UPC: 035514337714

Frequently Asked Questions

What hose size does the Sea-Dog 337425 Hose Thru Vent fit? This vent is sized for 4 inch hose or hole diameter, and Sea-Dog notes the broader style can be used with 3 inch or 4 inch exhaust hose depending on which version is chosen; part 337425 specifically has a 4 inch Hose/Hole Size.

What is the overall size of this vent? Part 337425 measures 4-15/16 inches across its overall dimension, with a 3-9/16 inch base dimension and a 3 inch depth (Dimension B).

What material is the Sea-Dog 337425 vent made from? It is made of injection molded ABS that is UV resistant, making it suitable for continuous outdoor and marine exposure.

How much vent area does this provide? The 337425 Hose Thru Vent provides 4.05 square inches of vent area for airflow into the cabin or bilge space it serves.

What fasteners are needed to install this vent? Installation uses four #8 flat head fasteners; the fasteners themselves are not included with the 337425 vent and need to be purchased separately.

Is this vent only available in black? Part 337425 is the black version of this Hose Thru Vent; Sea-Dog also offers a white version under a different part number for buyers who need a matching light-colored deck fitting.

Can this vent be exposed to solvents or cleaning chemicals? No, the ABS construction of the 337425 vent should avoid contact with acetone or strong solvents, which can damage the plastic housing.

What is the weight of the Sea-Dog 337425 vent? The 337425 Hose Thru Vent weighs 0.27 pounds.

What is this vent used for on a boat? It is designed for cabin or bilge ventilation, letting air pass through a hull or deck opening via connected hose.

Can I order this vent in a custom color? Sea-Dog offers custom colors for the Hose Thru Vent line on large volume orders; part 337425 itself is stocked in black.