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DWV Flap Valve
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DWV Flap Valve
- Sizes: 50mm to 225mm
- Model Name: DWV PVC Flap Valve
- Colour: Grey
- Material: PVC (Poly Vinyl Chloride)
- Watermark Certified: AS/NZS 1260
- Connection Type: Solvent Cement Joint (SCJ)
The DWV Flap Valve is a non-return fitting used in sewer and vent systems to prevent backflow while allowing one-way flow of air or wastewater. Commonly installed in drainage systems, this valve helps safeguard properties from unwanted odours, reverse flow, and contamination during surcharge events or heavy rainfall.
Designed for use in Drainage, Waste and Vent (DWV) systems, this flap valve fits inside the pipework using solvent cement for a durable, watertight seal. Its pale-grey PVC body offers high corrosion resistance, chemical durability, and ease of installation, making it suitable for both residential and commercial use.
Key Features:
- Prevents reverse flow in sewer and vent lines
- Designed for easy solvent cement connection
- Durable PVC construction – corrosion and chemical resistant
- Suitable for above-ground and underground installations
- UV-stabilised for limited external exposure
- Fully compliant with AS/NZS 1260
Fast, straightforward shipping across Australia.
Shipping
- $15.00 flat-rate shipping on orders under $200
- FREE shipping on orders over $200
- Orders are generally dispatched within 1-2 business days
- Tracking details are emailed as soon as your order ships
- Delivery times vary depending on your location and carrier
Returns
Changed your mind? No problem. Eligible items can be returned in accordance with our Returns Policy.
Items must be returned in original, unused and saleable condition. Some products may be excluded from change-of-mind returns.
Damaged or incorrect orders
If your order arrives damaged or you receive the wrong product, contact us as soon as possible so we can help sort it out.
Need help? Our team is here to help with your order, delivery or return. Contact us
Please Note:
PVC products may vary from the images shown, as we source products from multiple brands and suppliers. While the product will meet the stated function and specifications, the exact brand, appearance or design may differ.
If you require an exact product, brand or appearance match, please contact us to confirm before placing your order.
PVC products may vary from the images shown, as we source products from multiple brands and suppliers. While the product will meet the stated function and specifications, the exact brand, appearance or design may differ.
If you require an exact product, brand or appearance match, please contact us to confirm before placing your order.
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