1-1/2" Silent Sump Pump Check Valve, Spring-Loaded Clear PVC Flapper, Backflow Prevention, Stainless Steel Clamps and Buna-N Couplings, Fits Schedule 40 Pipe

Additional Details from the Manufacturer

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More features

• Quieter Operation: The spring-loaded flapper enables gradual closure for reduced noise. Keeps your sump pump running with minimal disruption to your home—ideal for basements, bedrooms and living areas
• Easy Visual Inspection: The transparent PVC housing lets you observe water flow, spot clogs and verify normal operation. No disassembly required
• Reliable Spring-Loaded Flapper: The spring-loaded flapper responds quickly to flow changes. Opens when needed, closes tightly when pump stops—minimizing delay and helping stop backflow
• Helps Prevent Pump Burnout: Backflow causes frequent cycling and accelerates wear. This check valve helps prevent backflow to reduce pump workload and can extend its service life
• Easy DIY Installation: Comes complete with stainless steel clamps and rubber couplings. No glue or professional tools needed. Simply cut, slide and tighten. Fits 1-1/2" Schedule 40 pipe with a 5-1/8" installation gap