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401-158 - Slip Reducing Tee 1 x 1 x 1 1/4"

1-1/4" x 1" x 1" Schedule 40 PVC Reducing Tee (Socket x Socket)

Brand: PVC
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$4.50
$3.38
SKU 401158

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Schedule 40 PVC reducing tee, part number 401-158, sized 1-1/4" x 1" x 1". This white, Schedule 40 fitting provides a socket x socket x socket configuration for joining pipes of different diameters in irrigation, plumbing, or drainage systems. It meets common industry standards for durability and potable-water service.

  • Material: PVC (Schedule 40) — durable, corrosion-resistant thermoplastic.
  • Connections: Socket x Socket x Socket — designed for solvent-weld installation.
  • Size: 1-1/4" (run) x 1" (branch) x 1" (branch).
  • Standards: ASTM D1784, ASTM D2466; NSF-listed for potable water where required.
  • Temperature: Rated to 140°F (60°C) maximum service temperature.
  • Packaging: Available individually or in case packs (box qty 25).

Use this reducing tee to transition between pipe sizes while maintaining a secure, leak-resistant joint when properly solvent-welded. Commonly supplied under part number 401-158 by leading PVC fittings manufacturers, it’s a practical choice for residential and commercial supply, irrigation, and general PVC piping projects.

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Frequently Asked Questions

What does 1-1/4" x 1" x 1" mean?
Specifies nominal pipe sizes: run 1-1/4" and two branches 1"; all ends are socket (slip) connections.
Can this tee be used for potable water?
Yes. It is ASTM/NSF-listed for potable water where specified; follow local plumbing codes and installation instructions.
How is the fitting installed and joined?
Socket (slip) connections are solvent-welded using PVC primer and cement for a permanent, leak-resistant joint. Allow proper cure time.