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The IPS Corporation RSP1 Sewer Pop-Up Cleanout and Relief Valve is an automatic relief valve for sewer cleanout risers. Compatible with standard 3- or 4-inch cleanout connections, this valve releases blocked sewage outside the house, preventing property damage inside. The threaded valve is constructed of white PVC and is compatible with both PVC and ABS tapped adapters.
Prevents property damage from sewage overflow with automatic pop-up relief. Vandal- and tamper-resistant. Constructed of white PVC.
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