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 Canada ships the Lasco 457-005 free with no order minimum. Price includes shipping; there is no add-on freight on this fitting.
