Durable Lasco 1429-012 PVC insert coupling designed for 1-1/4" polyethylene and other compatible plastic pipe. Engineered to meet industry specifications, this insert x insert coupling delivers a reliable, low-cost connection for cold potable water and irrigation systems. Material: Schedule 40 PVC, gray finish suitable for plastic and poly pipe. Size & Connection: 1-1/4" nominal size — insert x insert end connections for secure PE installations. Standards: Conforms to ASTM D2609 and listed to NSF standards for potable water (NSF 14/61). Performance: Typical maximum working pressure up to 200 psi at 72°F and an operating range to about 140°F (for cold-water service). Use: Intended for cold potable water and irrigation; compatible with polyethylene (PE) pipe when installed per local code. Installation: Insert into pipe and secure per pipe manufacturer or local plumbing code; use recommended clamps or approved joining methods. This compact, easy-to-stock fitting is a common choice for professionals and DIYers needing a straightforward, standards-compliant coupling for polyethylene and plastic piping systems.
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