Lasco Reducing Bushing, 3 x 2" Spigot x Slip White PVC Schedule 40 | 437-338

Lasco SKU: 437338
Lasco Reducing Bushing, 3 x 2" Spigot x Slip White PVC Schedule 40 | 437 - 338 - Plumbing - img - 1

Lasco Reducing Bushing, 3 x 2" Spigot x Slip White PVC Schedule 40 | 437-338

Lasco SKU: 437338
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Lasco 437338 (437-338) Schedule 40 PVC Reducer Bushing – 3" Spigot x 2" Slip (Socket) – White

The Lasco 437338 is a Schedule 40 PVC reducer bushing used to step down from a 3" hub/socket fitting to 2" PVC pipe. The 3" spigot end is sized to glue into the socket of a 3" PVC fitting (like a tee, coupling, or valve), while the 2" slip (socket) end accepts 2" PVC pipe for solvent-weld installation.

Key Features

  • Part Number: 437338 (often shown as 437-338)
  • Fitting Type: Reducer bushing
  • Size: 3" x 2"
  • Connections: 3" Spigot (SPG) x 2" Slip (Socket)
  • Material: Schedule 40 PVC
  • Color: White
  • Use: Reduces a 3" socket connection down to a 2" glued pipe run

Common Uses

  • Equipment pad manifolds where a 3" main line branches into 2" plumbing
  • Reducing at tees, valves, unions, or couplings without changing the 3" hub fitting
  • Pool/spa circulation plumbing, water features, and irrigation headers

Installation Notes

  • Spigot end: Glues into a 3" slip socket (hub) on another fitting (it does not glue onto 3" pipe).
  • 2" socket end: Glues to 2" PVC pipe using primer and PVC cement rated for pressure plumbing.
  • Dry-fit first: Confirm alignment and insertion depth before cementing.
  • Avoid over-cementing: Excess cement can squeeze into the flow path—use proper primer/cement technique.

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Installation & Maintenance Tips

  • Deburr and chamfer pipe ends before gluing to help prevent pushing cement out of the joint.
  • Support nearby plumbing to reduce pipe strain—stress is a common cause of hairline cracks and leaks over time.
  • Allow proper cure time before pressurizing (temperature and humidity affect cure time).
  • If you expect frequent equipment removal, add unions near the reducer location to avoid cutting pipe later.
Questions about returns? View our return policy.

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