Poly Insert Coupling 3/4 in. x 3/4 in.

Engineered for dependable performance in demanding irrigation and water transfer setups, the Spears Poly Insert Coupling 3/4 in. x 3/4 in. delivers a strong, leak-resistant connection that keeps your system running smoothly. Its molded PVC construction combined with a secure insert-style design ensures long-lasting reliability, giving you a durable fit that performs consistently under pressure. Designed as part of the trusted 1429 Series, this coupling offers exceptional burst strength up to 1,540 PSI while maintaining a manageable 200 PSI maximum operating pressure—perfect for a wide range of residential and commercial applications. The lightweight PVC body is lead-free, corrosion-resistant, and built to handle elevated temperatures up to 140°F. Its compact 3-1/16 in. length and dual 3/4 in. insert connections allow easy installation, tight seals, and dependable functionality in poly pipe systems. Whether you’re upgrading a section, adding a branch, or completing a new irrigation layout, this coupling delivers the consistent quality and durability that Spears is known for.