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Front view of white LASCO Schedule 40 PVC 4-inch slip x slip coupling showing socket ends and smooth injection-molded finish.

LASCO 429-040 4" PVC Schedule 40 Slip Coupling (4 in)

Brand: PVC
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$12.83
$9.62
SKU 429040
In Stock (135)

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Built for reliable pipe connections, the LASCO 429-040 is a 4" PVC Schedule 40 slip coupling designed to join two lengths of 4-inch nominal PVC pipe. Its smooth, injection-molded PVC construction provides a tight solvent-weld joint suitable for irrigation, potable-water systems, and general plumbing.

  • Material & Size: Lead-free PVC construction; fits 4-inch nominal Schedule 40 pipe with slip (socket) connections.
  • Standards & Ratings: Manufactured to common Schedule 40 PVC specifications (ASTM D2466/D1784); typically rated to 140°F for standard applications.
  • Dimensions: Approx. 4.24" overall length with standard 4" socket depth; white finish for easy identification.
  • Installation: Designed for solvent-weld (PVC cement) joining; prepare pipe ends, apply primer and cement per local code for a secure bond.
  • Uses & Benefits: Ideal for irrigation, sprinkler systems, potable-water distribution, and repair work; durable, corrosion-resistant, and easy to install.

This coupling provides a straightforward, cost-effective solution for joining PVC pipe. Keep spare fittings on hand for repairs and follow product and local plumbing codes during installation. For bulk requirements, check available inventory and lead times.

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Frequently Asked Questions

What pipe size does this coupling fit?
Fits standard 4-inch nominal PVC Schedule 40 pipe with slip (socket) connections; designed for 4" PVC systems.
Is this coupling safe for drinking water?
Yes. The lead-free PVC construction meets common potable-water standards and is suitable for irrigation and potable-water systems.
What temperature range can this coupling handle?
Typically rated to around 140°F (60°C) for standard Schedule 40 PVC applications; avoid prolonged exposure to higher temperatures.
How is this coupling installed and joined?
Install using solvent-weld (PVC cement) into the slip sockets. Prepare pipe ends, apply primer and cement per local plumbing code.