DWV Vent Cowl 80MM
The DWV Vent Cowl is designed to protect open-ended vent pipes that extend through roofs in drainage, waste, and vent systems. Installed at the top of a vertical DWV pipe, it prevents rainwater, debris, and small animals from entering the sewer system—maintaining clear airflow and long-term system performance.
Key Features:
- Shields open DWV vent pipes from rain, leaves, and debris
- Improves system longevity and reduces maintenance
- Snug fit on vent pipes using solvent cement for secure installation
- Manufactured from durable pale-grey PVC-U
- Available in 50mm, 65mm, 80mm, 100mm, and 150mm sizes
Update: 90mm Flap Valves with Mosquito Mesh
All 90mm flap valves now come standard with an integrated mosquito mesh flap, offering added protection against insects entering the system.
(Optional: If preferred, this can also be listed as a standalone item separate from the other flap valve sizes.)
Applications:
- Sewerage ventilation pipes
- Stormwater vents
- Above-roof drainage system terminations
- Greywater and blackwater vent terminations (residential & commercial)
Installation & Material Notes:
- Suitable for above-ground and exposed roofline installations
- Designed for solvent cement joints (SCJ)
- Allow 24 hours curing time for a full mechanical bond
- Made from PVC-U: rigid, strong, corrosion-resistant
- Not intended for long-term UV exposure without additional protection
System Compatibility:
- Matches standard DWV PVC-U pipe systems
- Complements fittings from 40mm to 150mm
- Integrates seamlessly with DWV vent lines and branch terminations
- Performance & Standards:
- Operating temperature: 0°C to 50°C
- Complies with AS/NZS 1260 for PVC-U pipes and fittings (DWV)
The DWV Vent Cowl is a vital finishing component for any vent stack, ensuring continuous airflow, system protection, and reliable performance against the elements.
