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Napco P1604 is a P-Series PVC solvent weld sewer cap designed for efficient drainage solutions. This four-inch hub cap is part of the SDR 35 sewer fitting line. It delivers strength and ease of installation for every plumbing project.
The P1604 sewer cap ensures a secure, water-tight joint connection. It is made with high-quality materials for durability and longevity.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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