Westlake Pipe & Fittings 439211 1.5″ MPT x 1″ FPT PVC Reducer Bushing

Description

Westlake Pipe & Fittings 439211 1.5″ MPT x 1″ FPT PVC Reducer Bushing

The Westlake Pipe & Fittings 439211 Reducer Bushing is a precision-molded, Schedule 40 PVC threaded bushing designed to provide a reliable and efficient way to transition between different pipe sizes in plumbing systems. Specifically engineered to reduce a 1½-inch male pipe thread (MPT) connection down to a 1-inch female pipe thread (FPT), this reducer bushing is ideal for adapting larger threaded connections to smaller ones within a wide range of fluid conveyance and plumbing applications. Whether it’s used in residential, commercial, agricultural, pool and spa, or irrigation systems, this fitting offers strength, durability, and dependable performance for professionals and DIY installers alike

Westlake Pipe & Fittings is widely recognized as one of North America’s leading manufacturers of PVC pipe and fittings. With decades of industry experience and a reputation for quality, Westlake products are engineered to meet rigorous standards in durability, dimensional accuracy, and chemical resistance. The 439211 reducer bushing conforms to the company’s expected levels of performance and reliability, making it a dependable choice for both new installations and retrofit projects.

At its core, the 439211 reducer bushing is constructed from PVC (polyvinyl chloride) — a polymer material that is both lightweight and exceptionally resistant to corrosion, chemical attack, and environmental degradation. PVC has become a staple material in plumbing and fluid systems due to its ability to maintain structural integrity over long service lives, its resistance to scaling and rust, and its compatibility with a wide range of transported liquids.

The Schedule 40 rating of this bushing signifies a standardized wall thickness that provides adequate mechanical strength for typical pressure applications. This schedule is a widely accepted industry benchmark used in potable water, irrigation, and many pressurized piping systems. The robust material and standardized construction help ensure that the fitting performs consistently under normal operating conditions.

One of the defining characteristics of the 439211 reducer bushing is its threaded design, featuring a larger 1½″ MPT end and a smaller 1″ FPT end. The male pipe thread (MPT) side is designed to engage securely with a compatible female threaded fitting, valve, or device. This thread configuration follows standard NPT (National Pipe Thread) specifications, which are widely used in plumbing systems for mechanically sealed connections.

On the opposite side, the female pipe thread (FPT) accepts a male threaded pipe or fitting of the appropriate size. This threaded interface allows installers to couple different plumbing components without the need for solvent cement or additional adapters, facilitating straightforward assembly and disassembly as needed.

One of the standout attributes of the 439211 is its compact, single-piece design. Unlike assemblies made from multiple parts, this reducer bushing is molded as a solid unit, reducing potential leak points and installation complexity. Its smooth transitions and consistent wall thickness help maintain structural integrity under normal operating conditions.The fitting’s white finish — characteristic of PVC plumbing products — not only provides a neat, uniform look within piping systems but also helps installers and inspectors visibly identify components and check installations quickly and efficiently.

While the 439211 excels in pressure systems, its resistance to scaling and deposits also enhances flow efficiency, minimizing turbulence around the reduced section and helping maintain system performance over time. In many cases, switching between pipe sizes can introduce inefficiencies — but the reducer bushing’s profile and material choice help alleviate such effects.

Westlake Pipe & Fittings is dedicated to helping contractors maximize efficiency and helping engineers design systems that entire communities can rely on.With manufacturing & distribution centers across North America, dedicated sales, technical services, specification engineers and customer support teams, our unparalleled service allows you to design, specify and install complete projects with confidence.

Westlake Pipe & Fittings 439211 1.5″ MPT x 1″ FPT PVC Reducer Bushing Features:

• Made from Schedule 40 PVC for robust strength and chemical resistance
• Ideal for plumbing, irrigation, pool & spa, and fluid distribution systems
• White finish for easy visual identification and standard PVC aesthetics
• Connects 1.5″ male pipe thread (MPT) to 1″ female pipe thread (FPT)
• Standard NPT threaded ends for secure, leak-resistant connections
• Smooth internal flow profile minimizes turbulence and pressure loss
• Compatible with other Schedule 40 PVC fittings and pipes
• Lightweight but durable for long service life

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