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Spears Schedule 40 PVC Union, Socket Connection, Buna-N O-Ring
Model: SPR-P483106
Spears Schedule 40 PVC Union, Socket Connection, Buna-N O-RingThe Spears PVC Union is a Schedule 40 socket (SOC) pattern union with a Buna-N O-ring seal, built to give plumbers and pipefitters a...
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$4.01
Spears 457-015 1-1/2" PVC Socket Union with Buna-N Seals, Schedule 40
The Spears 457-015 is a 1-1/2" Schedule 40 PVC union built for rough-in plumbing runs that require a serviceable, solvent-welded connection point. Sized for 1-1/2" CPVC/PVC pipe, this union uses socket (SOC) ends on both sides and a Buna-N (nitrile) O-ring seal at the union joint, letting a plumber or contractor break the connection for repairs, maintenance, or future line modifications without cutting the pipe. Schedule 40 PVC construction keeps the fitting consistent with standard Schedule 40 pipe and fitting systems used throughout residential and commercial rough-in work.
Key Features
- Trade Size: 1-1/2" nominal size for direct compatibility with 1-1/2" Schedule 40 PVC pipe and fittings.
- Durable Construction: Schedule 40 PVC body material offers a lightweight, corrosion-resistant alternative to metallic fittings in rough-in piping runs.
- Socket (SOC) Connection: Solvent-weld socket ends on both sides of the union allow a standard solvent cement joint to the adjoining pipe runs.
- Buna-N Seal: A Buna-N (nitrile) O-ring at the union interface provides the seal between the two union halves, allowing the joint to be disassembled for service.
- Union-Style Design: The three-piece union body (two end connectors plus a center nut) lets installers unscrew the connection for maintenance access, pump or valve swaps, and future repairs without disturbing the solvent-welded pipe on either side.
Technical Specifications
- Trade Size: 1-1/2"
- Material: PVC, Schedule 40
- Connection Type: Socket (SOC)
- Seal Material: Buna-N (nitrile)
- Product Type: Union
Typical Applications
- Residential and Commercial Rough-In Plumbing Runs
- PVC Piping Systems Requiring a Serviceable Disconnect Point
- Installations Near Pumps, Valves, Filters, or Equipment Requiring Future Access
- New Construction and Renovation Piping Projects
- Schedule 40 PVC Distribution and Supply Lines
Why Spears?
Spears is a recognized manufacturer of thermoplastic piping products built for consistency with standard Schedule 40 PVC pipe dimensions and solvent-weld installation practices. The 457-015 union's socket connections and Buna-N sealed union joint give plumbers and contractors a straightforward way to build serviceable access points into a PVC piping run, supporting long-term maintainability of the system without requiring the line to be cut and re-glued every time service is needed.
Manufacturer Resources
Product Specs
- list_batch:
- SPR-20261001
- Product Type:
- Union
- Connection Type:
- Socket
- Department:
- Plumbing
- Product Group:
- PVC & CPVC Fittings
- Product Subgroup:
- Fittings and Valves
- Product Material:
- PVC
- Product Size:
- 1-1/2"
Spears 457-015 – Frequently Asked Questions
1) Will the Spears 457-015 union glue onto standard 1-1/2 inch Schedule 40 PVC pipe?
Yes. The 457-015 is a 1-1/2 inch nominal union with solvent-weld socket ends on both halves, dimensioned to standard Schedule 40 PVC pipe. You cut the pipe square, prime and cement each socket as you would any Sch 40 socket fitting. No threading, no adapters.
2) Why put a PVC union in the line instead of just a coupling?
A coupling is permanent once the cement sets, so servicing anything downstream means cutting the pipe. The 457-015 is a three-piece union, two socket end connectors and a center nut, so you break the joint by hand and leave both glued pipe ends intact. Put one on each side of a pump, valve, strainer or filter and that equipment comes out without a saw.
3) What seals the Spears 457-015 union joint, and can it be taken apart repeatedly?
A Buna-N (nitrile) O-ring sits at the union interface between the two halves. That is what makes the joint serviceable, you back off the nut, separate the halves, and the O-ring reseals on reassembly. Nitrile is the standard seal for general water service; if your system carries a chemical that attacks nitrile, specify an EPDM or FKM sealed union instead.
4) Can I use this PVC union on a CPVC hot water line?
No. The 457-015 body is PVC, not CPVC, so it does not carry CPVC's elevated temperature rating and it is not the right material for hot water distribution. Use it on cold water, drain, and ambient-temperature Schedule 40 PVC runs. For hot lines, order a CPVC union in the matching size.
5) Is the Spears 457-015 socket or threaded on the ends?
Both ends are socket (SOC), meaning solvent-weld. If your run terminates in male or female pipe thread, you need a transition, a threaded adapter cemented into the union socket, or a thread-end union instead. The union nut itself is threaded, but that thread is internal to the fitting and not a pipe connection.
6) Where should a contractor place unions in a PVC rough-in?
At every point you expect to open later: either side of a pump, a valve, a filter housing, a meter, or any equipment that gets swapped. The 1-1/2 inch 457-015 is sized for branch and distribution runs in residential and commercial rough-in, and placing it there means a future repair is a wrench job rather than a cut-and-reglue.
7) Do I need anything besides the union to make the connection?
The union ships complete as a three-piece assembly with the Buna-N O-ring installed. What you supply is the joining materials: PVC primer and solvent cement rated for Schedule 40, plus a rag and an applicator. Hand-tighten the union nut only, do not wrench it down, over-torquing a plastic union nut is the usual cause of a weeping joint.
8) What is the exact Spears part number for the 1-1/2 inch Schedule 40 PVC socket union?
457-015. That is the manufacturer part number for the 1-1/2 inch PVC Sch 40 socket by socket union with Buna-N seal. The 457 prefix is the socket x socket union series, with the suffix carrying the trade size.
How fast can I get the Spears 457-015 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Spears 457-015 come with a warranty?
Absolutely. The Spears 457-015 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Spears 457-015?
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