Holman PVC DWV Flap Valve 50mm
- VendorBuilders Mitre 10
Holman PVC DWV Flap Valve 50mm
- VendorBuilders Mitre 10
This Holman 50mm PVC DWV Flap Valve functions as a non‑return device to help prevent backflow of water, debris and odours through drainage lines. Designed for easy installation within DWV systems, it allows outflow while discouraging reverse movement. The durable PVC body resists corrosion and is suitable for residential and commercial applications including overflow lines and external connections. Its straightforward design supports maintenance access and helps protect against nuisance ingress, improving system reliability and hygiene in waste and vent installations.
$9.50
