Lasco Fittings 436-253 2″MPTx3″S SCH40 Reducing Male Adapter

Description

Westlake Pipe & Fittings 436-253 Reducing Male Adapter, 2″ MPT x 3″ S

The Westlake Pipe & Fittings 436-253 Reducing Male Adapter is a precision-engineered fitting designed to provide a reliable transition between a 2-inch male pipe thread (MPT) and a 3-inch slip (female) connection. This reducing adapter is ideal for applications requiring a seamless connection between smaller threaded equipment and larger Schedule 40 PVC piping. Widely used in pool and spa plumbing, irrigation systems, ponds, fountains, and industrial water-handling systems, it ensures efficient, leak-resistant performance and long-term durability for both residential and commercial projects.

Constructed from high-quality, corrosion-resistant PVC, the 436-253 is designed to withstand harsh environmental conditions, including UV exposure, chlorinated water, and variable temperatures. Unlike metal fittings that may corrode or weaken, or lower-grade plastics that may crack under stress, this Westlake adapter maintains structural integrity over time, delivering consistent performance under pressure and reducing the risk of leaks or system failures. Its robust construction ensures reliability for long-term plumbing installations and repeated maintenance cycles.

The 2-inch MPT end of the adapter screws securely into standard female-threaded components, including pumps, valves, filters, and manifolds. When combined with Teflon tape or thread sealant, it provides a tight, watertight connection capable of withstanding system pressures and vibrations. This threaded connection allows for easy installation, removal, or repositioning, making it a flexible solution for both new construction and retrofit projects.

The 3-inch slip end is designed to accept Schedule 40 PVC pipe for a secure, glueable joint. Using standard PVC primer and cement, the slip connection creates a strong, permanent seal that prevents leaks while allowing smooth, efficient fluid flow. The interior of the adapter is designed to minimize turbulence and pressure drop, helping maintain optimal system performance for pumps, spa returns, irrigation lines, and other water-handling applications.

The reducing function of the 436-253 adapter provides significant versatility, enabling users to connect smaller threaded equipment to larger piping systems without needing multiple adapters or complex configurations. It simplifies system layouts, reduces potential leak points, and ensures a professional-grade installation. Its combination of threaded and slip connections makes it an essential component for projects requiring both reliability and adaptability.

The Westlake 436-253 Reducing Male Adapter is lightweight, easy to handle, and compatible with a wide range of PVC components. Its design allows for installation in tight or elevated spaces while maintaining secure alignment and connection integrity. Whether used in residential pools, commercial spas, irrigation networks, or pond systems, this fitting delivers dependable performance, leak prevention, and efficient flow management.

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 436-253 Reducing Male Adapter, 2″ MPT x 3″ S Features:

• Suitable for irrigation, pools, drainage, and general plumbing
• Smooth interior surface for improved flow performance
• Secure threaded seal with standard MPT connections
• Compatible with solvent-weld PVC systems
• Connects pipes of different sizes

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