Schedule 40 PVC Couplings

At Maxx Supply, we understand the importance of reliability and quality in plumbing systems. That’s why we carry a wide range of Schedule 40 PVC couplings, built to meet the highest standards of durability, chemical resistance, and ease of use.

Schedule 40 couplings are essential components for joining two sections of pipe — whether you’re performing a new installation, an emergency repair, or upgrading an existing system. These couplings ensure a secure, leak-proof connection that supports long-term performance.

Our selection includes a variety of configurations to suit different project needs and pipe diameters, such as:

  • Slip x Slip Couplings
  • FPT x FPT Couplings
  • Reducer Couplings
  • Nested Couplings
  • Riser Extenders

These PVC schedule fittings are ideal for both DIY and professional-grade plumbing applications. Made from high-strength materials, they can withstand varying pressure levels, temperature changes, and corrosive elements — all while meeting ASTM D2466 specifications for Schedule 40 systems. Additionally, Schedule 40 PVC couplings offer straightforward installation and disassembly, making maintenance or future retrofits hassle-free.

Whether you're a contractor or a weekend warrior, you can trust Maxx Supply’s selection of Schedule 40 PVC fittings to deliver lasting performance at a competitive price. If you're unsure which coupling suits your needs, don’t hesitate to contact our knowledgeable customer service team for expert guidance — we offer dedicated customer support to make sure you find the right product for any application.

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Choosing the Right Schedule 40 PVC Coupling

Selecting the proper Schedule 40 coupling depends on the type of plumbing task and the size and layout of your pipe system. Here's a quick guide to help you make the right choice:

  • Slip x Slip Couplings: These are the most common type, used for simple inline connections. Solvent welding is typically applied to create a watertight seal.
  • FPT x FPT Couplings: Featuring female pipe threading, these couplings are ideal for modular setups or installations where future disassembly is expected.
  • Reducer Couplings: Used to join pipes of different diameters, these couplings provide a smooth transition and maintain consistent water flow. For even more precise sizing in tight spaces, a reducer bushing offers a snug, compact alternative.
  • Nested Couplings: Designed for compact or confined space installations, these allow for tight fits without sacrificing performance.
  • Riser Extenders: Useful in irrigation or elevation change scenarios, riser extenders add flexibility when vertical alignment is required.

No matter which type you choose, all Schedule 40 PVC couplings from Maxx Supply are engineered to:

  • Meet ASTM D2466 standards
  • Provide superior resistance for high-pressure applications
  • Withstand chemical exposure and environmental stress
  • Support both residential and commercial projects with long-lasting results