Description
Westlake Pipe & Fittings 1436-251 Reducing Male Adapter, 2″ MPT x 1.5″ Insert
The Westlake Pipe & Fittings 1436-251 Reducing Male Adapter is a high-quality, precision-engineered fitting designed to provide a secure and reliable connection between a 2-inch male threaded pipe and a 1.5-inch flexible hose. This reducing adapter is ideal for applications that require a transition from larger threaded equipment to smaller tubing while maintaining leak-free performance, system integrity, and consistent fluid flow. Commonly used in pool and spa plumbing, irrigation systems, pond and fountain setups, and general water distribution, it is a dependable solution for both residential and commercial projects.
Constructed from premium chemical-resistant polymer, the 1436-251 is built to withstand harsh environmental conditions, including chlorinated water, UV exposure, and fluctuating temperatures. Unlike metal fittings that may corrode or degrade, or lower-grade plastics that may crack under stress, this Westlake adapter maintains its structural integrity over long-term use. Its robust construction ensures consistent performance, even in systems subjected to continuous pressure cycles and vibration, making it a reliable choice for professional installers and DIY enthusiasts alike.
The 2-inch male pipe thread (MPT) end connects securely to standard female-threaded components, such as pumps, valves, filters, and manifolds. Using standard thread sealant or Teflon tape, this threaded end creates a strong, watertight seal capable of withstanding high pressures and system vibration. The threaded connection allows for easy installation, removal, or repositioning when maintenance or system modifications are needed.
The opposite end of the fitting features a 1.5-inch insert barb, designed to grip flexible hoses with maximum stability. The multi-barb design ensures a secure mechanical connection, which, when paired with stainless-steel hose clamps, prevents leaks, hose blow-offs, or disconnections. This insert end eliminates the need for adhesives or primer, enabling fast and straightforward installation. It is especially effective for extending hose runs, connecting to smaller tubing, or creating customized plumbing configurations.
The reducing functionality of the 1436-251 allows for smooth transitions between different pipe sizes while maintaining efficient flow and minimal turbulence. This is particularly beneficial for pool pumps, irrigation lines, spa heaters, or other systems where consistent water movement is critical. The adapter provides a professional-grade solution that reduces potential stress on pumps and other components, increasing overall system longevity.
Designed for durability, ease of installation, and reliable performance, the Westlake 1436-251 Reducing Male Adapter is a versatile component for any fluid-handling system. Whether used in residential, commercial, or agricultural applications, it ensures a secure, leak-free connection and simplifies the integration of flexible hoses with larger threaded plumbing systems.
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 1436-251 Reducing Male Adapter, 2″ MPT x 1.5″ Insert Features:
- Connects 2″ MPT threaded components to 1.5″ flexible hose
- Durable, chemical-resistant polymer for long-lasting performance
- PVC insert fittings are not designed to fit or with drip irrigation poly tubing
- Ideal for pool, spa, irrigation, pond, and general water systems
- Durable, corrosion-resistant construction for long-term use
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