Guard your ABS piping system against backflow with the Dewalt 1-1/4 in. or 1-1/2 in. D ABS Check Valve. Built for durability and seamless integration, this one-way valve delivers dependable backflow protection in compact ABS runs, making it a reliable choice for everyday plumbing tasks.
Key features
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Material: durable ABS construction that resists corrosion and stands up to daily use.
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Pipe compatibility: fits 1-1/4 in. or 1-1/2 in. piping with matching inlet diameters.
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Pressure & temperature: Maximum Pressure 100 and Maximum Temperature 120, suitable for common residential applications.
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Orientation: mounting orientation supports horizontal or vertical installations for flexible layouts.
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Packaging: Boxed for secure transport and storage.
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Trusted brand: Dewalt reliability for project consistency and compatibility.
Technical snapshot
- Material: ABS
- Maximum Pressure: 100
- Maximum Temperature: 120
- Fits Pipe Size: 1-1/4 in. or 1-1/2 in.
- Inlet Diameter: 1-1/4 in. or 1-1/2 in.
- Mounting Orientation: Horizontal/Vertical
- Packaging Type: Boxed
Where it shines
This Dewalt ABS check valve is ideal for small-diameter drainage and plumbing runs where backflow protection matters. Use it in residential basements, laundry areas, utility sinks, or any ABS piping segment where preventing reverse flow protects fixtures and equipment. The dual-size inlet and pipe compatibility simplify retrofits and new installs alike, letting you pair with existing 1-1/4" or 1-1/2" ABS lines without adapters.
Why choose this Dewalt valve
Designed for reliable one-way flow in a compact footprint, this check valve leverages ABS construction to stay lightweight and corrosion-resistant. Its boxed packaging keeps the valve protected from damage during shipping and storage, so you’re ready to install with confidence.
Practical tips
- Confirm your line size is 1-1/4" or 1-1/2" before purchasing to ensure a proper seal.
- Install where the valve can be easily inspected and accessed for future maintenance.
- After installation, test the system for leaks and verify unidirectional flow by introducing a simple test signal through the line.
