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Gray PVC insert reducing coupling, nominal 1-1/2" x 1" (insert x insert), barbed ends visible, part number 1429-211, front view on white background.

Insert Reducing Coupling 1-1/2" x 1" (1429-211)

Brand: PVC
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$5.75
$4.31
SKU 1429211
In Stock (308)

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1429-211 is a durable PVC insert reducing coupling that connects 1-1/2" to 1" flexible or polyethylene piping. Designed for insert x insert installations, this barbed coupling provides a reliable transition between two nominal pipe sizes in irrigation, agricultural and potable water systems. It is commonly used where a secure, low-cost mechanical connection is required.

  • Nominal sizes: 1-1/2" x 1" (insert x insert)
  • Material: PVC, corrosion- and chemical-resistant for outdoor use
  • Standards: manufactured to common industry ASTM standards and listed for potable water (NSF)
  • Performance: rated for typical irrigation pressures; suitable with Schedule 40 polyethylene & PVC
  • Installation: push-in/barbed insert ends; use stainless or worm-gear clamps for a water-tight seal

Compact, easy to install, and widely stocked, the 1429-211 reduces pipe size cleanly without solvent welding; verify clamp selection and local codes before installation.

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Frequently Asked Questions

What pipe types is this coupling compatible with?
Compatible with polyethylene, flexible irrigation tubing and PVC; use appropriate clamps for a secure connection.
How should I install the 1429-211 insert coupling?
Push the barbed insert fully into tubing and secure both ends with stainless or worm-gear clamps for a leak-tight seal.
Is this fitting suitable for potable water systems?
Yes — it is NSF-listed for potable water and meets common PVC industry standards; verify local code requirements.