Lasco 457-005 1/2 in Slip x Slip Schedule 40 PVC Union (457-005)

Lasco 457-005 1/2 in Schedule 40 PVC Union — Serviceable Irrigation Connection

The Lasco 457-005 is a 1/2 in slip x slip Schedule 40 PVC union for irrigation work that has to come apart later. Spin the nut to separate the line for a valve, backflow, or pump swap without cutting pipe.

Key Specifications & Features

• SKU: 457-005
• Brand: Lasco Fittings
• Size: 1/2 in nominal
• Schedule: 40 PVC (White)
• Ends: Slip x Slip
• Design: Three-piece union with O-ring seal and grip nut
• Pressure: 150 psi at 73°F
• Use: valve manifolds, backflow assemblies, and pump disconnects

Frequently Asked Questions

What is a Lasco 457-005 PVC union used for?
The Lasco 457-005 lets you disconnect a 1/2 in PVC run at a valve, backflow preventer, or pump without cutting the pipe. Contractors put one on each side of a serviceable assembly.

Is the Lasco 457-005 slip or threaded?
This Lasco 457-005 is Slip x Slip. Solvent-weld the slip sockets; wrap thread sealant on FPT or MPT ends. Do not cement the union nut.

Will the Lasco 457-005 work on a sprinkler manifold?
Yes. 1/2 in Schedule 40 PVC unions are the usual service joint on residential and light commercial irrigation manifolds, filters, and pressure-vacuum breakers.

Does the Lasco 457-005 ship free?
Yes — Big Irrigation ships the Lasco 457-005 free with no order minimum. Price includes shipping; there is no add-on freight on this fitting.