ID
975669
$ 162.99
1-2 weeks delivery time
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The Vetus AIRVENTH anti-syphon airvent is compatible with hoses of 13, 19, 25, and 32 mm internal diameter and ensures constant cooling-water overflow when the engine is running. Supplied as a complete kit with a 4-meter hose, skin fitting, and hose clamps, it provides dependable protection against vacuum formation in marine cooling circuits.
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Vetus AIRVENTH Anti-Syphon Airvent with Hose Kit for Ø13–32 mm Hoses
The Vetus AIRVENTH anti-syphon device is engineered for marine cooling systems where the cooling water injection point lies close to the waterline. Designed to prevent vacuum formation after engine shutdown, this unit ensures a constant bleed-off of cooling water while the engine is running. It includes a 4-meter hose, skin fitting, and hose clamps, providing a complete installation solution for through-hull discharge.
Main Features
- Suitable for hoses with internal diameters of Ø13 mm, Ø19 mm, Ø25 mm, and Ø32 mm.
- Ensures continuous discharge of cooling water during engine operation.
- Prevents siphoning of water into the engine by equalizing pressure when the engine is stopped.
- Supplied complete with skin fitting, hose clamps, and 4 m of hose.
- Constructed from durable synthetic materials for long-term marine use.
- Designed for installation at least 40 cm above the waterline for optimal anti-syphon protection.
- Mounting brackets available for installations on surfaces with sound insulation.
Applications
- Marine Engines: Protects engines when the exhaust water injection point is positioned less than 15 cm above the waterline.
- Cooling Water Systems: Maintains safe pressure balance and prevents backflow into the exhaust circuit.
- Through-Hull Installations: Ideal for systems requiring external vent discharge via hull fitting.
Technical Specifications
Function Anti-syphon airvent with constant cooling-water overflow Hose Compatibility Ø13 / Ø19 / Ø25 / Ø32 mm Length 98 mm Width 50 mm Height 162 mm Included Components Skin fitting, hose clamps, 4 m vent hose Materials Synthetic housing
Installation Notes
- Install minimum 40 cm above the waterline to ensure effective anti-syphon protection.
- Route the included hose to the hull fitting to allow constant cooling-water discharge.
- Ensure the unit remains accessible for periodic inspection and maintenance.
- Optional mounting brackets allow installation on insulated bulkheads.
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