Reliable Backwater Valves for Sewer and Backflow Prevention
Engineered for Protection and Performance
Available in Polyvinyl chloride (PVC) and Acrylonitrile butadiene styrene (ABS), IPEX backwater valves provide simple, effective protection against sewage or stormwater backflow into residential and commercial systems. Featuring our Straight-Fit™ valve body design with minimal slope, these valves are ideal for both new installations and retrofit projects.
PVC & ABS Specialty Plumbing Products
IPEX specialty products are engineered for custom applications and long-term durability. Choose from a full line of expansion joints, fittings, and flanges made from premium PVC or ABS.
Purpose-Built Components for Unique Piping Installations
- Compensate for expansion, contraction, and building movement
- Service temperature: up to 140°F (PVC) / 180°F (ABS)
- High resistance to acids, alkalis, and other corrosive media
- Available in 3” and 8” travel options
- Certified for vertical drain, waste or vent(DWV) installations
Backflow Prevention Products Available
- Expansion joints and termination screens
- Flash and specialty fittings
- Closet flanges and repair kits
- Vent pipe caps and air admittance valves
- PVC DWV specialty flanges and drains
- Urinal fittings, clean-out pipes, and plugs
- Flame- and smoke-rated roof drains and flashings
Certified Quality & Code Compliance
PVC Backwater Valves
- Third-party certified to NSF 14
- Manufactured from ASTM D1784 compliant PVC (cell classification 12454)
- UPC approved by IAPMO
ABS Backwater Valves
- Manufactured from ASTM D3965 compliant ABS (cell classification 42222)
- UPC approved by IAPMO
PVC & ABS Specialty Fittings
- PVC: ASTM D1784 Type 1, Grade 1
- ABS: ASTM D3965 compliant compounds
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Specifications
PVC and ABS
Backwater Valve: 1-1/2 – 6″ (40 – 150 mm)
Backwater Valve with 16″ access sleeve and lid: 2 – 4″ (50 – 100 mm)
Sewer OD and Schedule 40 DWV dimensions
CSA B182.2
ASTM D1784
ASTM D3965
Meets UPC requirements in applicable configurations by IAPMO
Backflow Prevention (sewer, stormwater, etc.)