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Gray Lasco PVC insert coupling model 1429-012, 1-1/4 inch insert x insert plumbing fitting shown on a white background, Schedule 40

Lasco 1429-012 1-1/4" PVC Insert Coupling (Insert x Insert)

Brand: PVC
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$4.00
$3.00
SKU 1429012
In Stock (538)

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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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Frequently Asked Questions

What pipe types is this coupling compatible with?
Designed for polyethylene (PE) and compatible plastic pipe used in cold potable water and irrigation systems.
What size and connection type is this fitting?
This is a 1-1/4" nominal PVC insert coupling with insert x insert end connections.
What are the pressure and temperature limits?
Typical ratings are up to 200 psi at 72°F and an operating range to about 140°F; intended for cold-water service.
Is this coupling certified for potable water use?
Yes—this style of insert coupling is listed to applicable NSF standards (NSF 14 and NSF 61) for potable water systems.