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White 1-1/4 inch PVC Schedule 40 slip coupling (part 429-012) front view showing socket ends and molded part markings.

1-1/4" PVC Schedule 40 Slip Coupling - 429-012

Brand: PVC
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$2.31
$1.73
SKU 429012
In Stock (824)

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Durable 1-1/4" PVC Schedule 40 slip coupling (part 429-012) designed for reliable joins in irrigation, plumbing, and potable water systems. Constructed for Schedule 40 PVC piping, it provides a secure, long-lasting connection for 1-1/4" piping runs.

  • Material & standards: Injection-molded Type 1 PVC (cell classification 12454-B) manufactured to ASTM D-1784 and ASTM F-1970; NSF/ANSI 61 and Annex G compliant for potable water.
  • Fit & size: Slip (socket) x slip connection for 1-1/4" nominal pipe; approximate overall length 2-5/8" to meet standard Schedule 40 dimensions.
  • Performance: Rated for typical cold water applications with a maximum service temperature of 140°F; not intended for compressed air or incompatible chemicals.
  • Seal & installation: Solvent-weld (cement) installation for permanent joints; includes Buna‑N O‑ring seal where specified to improve joint integrity.
  • Finish & color: White PVC finish for easy visual matching with Schedule 40 piping; injection-molded for consistent dimensions and fit.

This coupling is ideal for contractors, irrigation professionals, and DIY plumbing projects that require standard Schedule 40 PVC fittings. Verify compatibility with your local codes and use recommended solvent cements and installation practices for best results.

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Frequently Asked Questions

What size pipe does this coupling fit?
Fits 1-1/4" nominal Schedule 40 PVC pipe. Confirm pipe OD and use recommended solvent cement before joining.
How should I install this slip coupling?
Clean and dry pipe ends, apply approved PVC solvent cement, insert fully into sockets, and allow cure per cement instructions.
Is this coupling safe for potable water use?
Yes—manufactured to NSF/ANSI 61/Annex G standards for potable water where specified; always verify local code compliance.