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Vetus Air Vents

Vetus Marine
Air Vents

If the injection point of the cooling water line into the exhaust is situated at a height of less than 6” above the waterline, then - when the engine is stopped - there is a risk that the cooling water may enter the engine, as a result of siphoning. Such siphoning may be avoided by positioning a Vetus air vent into the cooling water tubing, at least 16” above the waterline.

AIRVENTV: Model V has a reliable anti-siphon pressure valve and is self contained. However, it requires periodic maintenance to prevent clogging with salt crystals.

AIRVENTH: Model H has a hose connection to the outside of the hull. There is a constant bleed off of cooling water through this hose while the engine is running. Model H comes complete with a skin fitting, hose clamps and 12 ft. of hose.

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Performance Yacht Systems
919 Bay Ridge Road
Annapolis, MD  21403

Toll free: 1-877-379-2248
Local: (410) 267-8681


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