ZOELLER 008517-A 008516-A CAST IRON CHECK VALVE 1-3 4" NPT 008517A 008516A

Description:

The Zoeller 008517-A/008516-A Cast Iron Check Valve is used in fluid handling systems to prevent backflow and maintain one-way flow in piping and pump discharge lines. Commonly installed in sump pump systems, sewage ejector setups, and industrial drainage applications requiring reliable backflow prevention. Maintenance teams, plumbers, and system integrators use this part for repair, retrofit, or replacement to ensure system protection and efficient fluid movement.

Applications:

The Zoeller 008517-A/008516-A cast iron check valve is widely used in residential and industrial pumping systems such as sump pumps, sewage systems, and wastewater handling installations where preventing reverse flow is critical. It is designed for discharge lines in vertical or horizontal configurations, helping protect pumps from backflow damage and reducing system inefficiencies. 

Technical Specifications:

• Manufacturer: Zoeller
• Model / Part Numbers: 008517-A / 008516-A
• Product Type: Cast Iron Check Valve
• Size: 1-3/4 inch NPT
• Material: Cast iron body with internal sealing components
• Function: Prevents reverse flow in piping systems
• Application: Sump pumps, sewage ejectors, drainage systems
• Installation: Inline (horizontal or vertical orientation)
• Design: Full-flow check valve with flapper mechanism
• Use Case: Pump discharge and wastewater systems

Common Replacements:

• Zoeller 30-0152 Cast Iron Full-Flow Unicheck Valve
• Liberty Pumps 2" Cast Iron Check Valve
• Watts 2" Cast Iron Swing Check Valve