Spears PVC Schedule 40 Reducin...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2.17
Spears PVC Schedule 40 Reducing Male Adapter, MPT x Socket

Spears PVC Schedule 40 Reducing Male Adapter, MPT x Socket

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Model: 436-102

In Stock (leaves warehouse same day if ordered before 3pm ET)

$2.17
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Spears PVC Schedule 40 Reducing Male Adapter, MPT x Socket

The Spears PVC Schedule 40 Reducing Male Adapter is a reliable transition fitting engineered for PVC piping systems that require a size change between a male threaded (MPT) connection and a socket (SOC) connection. Built from Schedule 40 PVC, this reducing male adapter is designed for durable, corrosion-resistant performance in pressure and non-pressure plumbing applications. The MPT x SOC configuration allows installers to easily transition from threaded fittings, valves, or equipment to solvent-weld PVC pipe runs, making it a versatile component for both residential and commercial plumbing projects.

Key Features

  • Reducing Design: Provides a size transition between the male threaded end and the socket end, simplifying pipe runs that step down in diameter.
  • Durable Construction: Molded from Schedule 40 PVC for corrosion resistance, chemical resistance, and long-term durability in plumbing systems.
  • MPT x Socket Connection: Male threaded (MPT) end mates with female-threaded fittings, valves, or equipment, while the socket (SOC) end accepts solvent-weld PVC pipe for a secure, leak-resistant joint.
  • Lightweight Yet Strong: PVC construction offers an excellent strength-to-weight ratio, easing handling and installation compared to metal adapters.
  • Versatile Application: Suitable for a wide range of PVC piping systems, including irrigation, drainage, and general-purpose plumbing lines.

Technical Specifications

  • Product Type: Adapter
  • Department: Plumbing
  • Product Group: PVC & CPVC Fittings

Typical Applications

  • Residential and Commercial Plumbing Systems
  • PVC Pipe-to-Threaded Fitting Transitions
  • Irrigation and Sprinkler System Piping
  • Drainage and Waste Line Connections
  • New Construction and Repair/Retrofit Projects

Why Spears?

Spears PVC fittings are manufactured from Schedule 40 PVC for consistent wall thickness, dimensional accuracy, and dependable performance across plumbing installations. This reducing male adapter's MPT x Socket configuration is built to deliver a secure, leak-resistant transition between threaded and solvent-weld piping, helping contractors and DIY installers complete reliable, long-lasting PVC piping systems.

Manufacturer Resources

PVC Schedule 40 Fittings

Product Specs

Product Type:
Adapter
Department:
Plumbing
Product Group:
PVC & CPVC Fittings
Product Material:
PVC
Connection Type:
MPT x Socket
Product Subgroup:
Pipe Fittings

Spears 436-102 – Frequently Asked Questions

1) What do the MPT and socket ends on the Spears 436-102 adapter connect to?
The Spears 436-102 is a reducing male adapter with a male pipe thread (MPT) on one end and a solvent-weld socket on the other. The threaded end screws into female-threaded fittings, valves, or equipment; the socket end takes PVC pipe cemented with primer and solvent cement. It is a one-way transition fitting, so the threaded side always faces the equipment and the socket side always faces the pipe run.
2) Can I use a PVC Schedule 40 male adapter on a hot water line?
No. PVC is not a hot water material, and the Spears 436-102 is molded PVC, not CPVC. Use it on cold water, irrigation, drainage and waste, and general-purpose PVC lines. For hot water or elevated-temperature service you need a CPVC fitting instead.
3) Why is this called a reducing male adapter instead of a standard male adapter?
Because the two ends are different sizes. A standard male adapter carries the same nominal size on the thread and the socket; the Spears 436-102 steps between sizes, so you can run a threaded connection into a smaller (or larger) solvent-weld pipe without adding a separate bushing or reducer coupling. That saves a joint on the run.
4) Will a PVC male adapter thread into a metal female fitting or valve?
It will thread in, since the MPT end is standard tapered pipe thread, but treat it carefully. Plastic male thread into a metal female port is the joint most likely to split, because the metal will not yield when overtightened. Hand tight plus one to two turns with a strap wrench, PTFE tape or thread sealant rated for plastic, and no pipe dope with solvents in it. Where the male thread is plastic and the female is metal, go easy.
5) Do I need anything besides the adapter to make up both ends?
Yes, two different consumables. The socket side needs PVC primer and PVC solvent cement to bond the pipe. The threaded side needs PTFE tape or a plastic-safe thread sealant. Neither is supplied with the fitting, so order them with it if they are not already on the truck.
6) Is Schedule 40 PVC the right choice for a pressure line, or do I need Schedule 80?
Schedule 40 covers ordinary pressure and non-pressure plumbing, irrigation, and drainage, which is what the Spears 436-102 reducing male adapter is built for. Schedule 80 has a heavier wall and a higher pressure rating at the same nominal size, and it is what specs call out for industrial process lines or higher working pressures. If the drawing says Sch 80, a Sch 40 fitting is not a substitute.
7) What part number do I order for the Spears reducing male adapter?
Order Spears part 436-102. The 436 prefix is the Schedule 40 PVC reducing male adapter series, MPT x socket; the digits after the dash set the size combination, so confirm the two sizes match your run before ordering.
8) Can I use this PVC adapter on a buried irrigation line?
Yes. Irrigation and sprinkler piping is one of the listed applications, and PVC is corrosion resistant, so it will not rust out in wet soil the way a steel adapter can. Keep the threaded joint accessible if the valve or head it serves may need service later.
How fast can I get the Spears 436-102 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 436-102 come with a warranty?
Absolutely. The Spears 436-102 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 436-102?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Spears 436-102 from ZenSupply?
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