Superior Pump 99477 Sump Pump Check Valve, Thermoplastic, 1-1/4 In.

A sump pump check valve is a one-way valve installed on sump pump discharge lines to prevent water from flowing backward into the sump basin. This Superior Pump model is essential for maintaining efficient operation of residential and commercial sump pump systems, particularly during heavy rainfall or when dealing with groundwater control in basements and crawl spaces.

The check valve prevents backflow, ensuring that your sump pump operates efficiently and effectively by allowing water to flow out of the sump basin only. This maintains optimal pump performance and helps keep basements and crawl spaces dry.

Features and Benefits

• Sonic Welded Thermoplastic Body: Durable ABS thermoplastic construction sealed by sonic welding resists corrosion and wear through continuous operation in wet environments.
• Prevents Backflow: One-way valve design ensures water flows out of the sump basin only, eliminating reverse flow and maintaining optimal pump performance.
• 1-1/4 Inch Size: Fits standard sump pump discharge outlets and most common sump pump configurations.
• MNPT Connection: Male national pipe thread connection for reliable installation.
• Lightweight and Easy to Install: Simple design makes it ideal for DIY installation and replacement projects.
• Wear-Resistant Material: Long-lasting performance in demanding basement and crawl space environments.

Specifications

• Brand: Superior Pump
• Model: 99477/SC125SRS
• Size: 1-1/4 inch
• Connection Type: MNPT (male national pipe thread)
• Body Material: Thermoplastic (ABS), sonic welded