Lasco Fittings 1429-015 1.5″INS Coupling

Description

Westlake Pipe & Fittings 1429-015 Barb Coupling, 1.5″ Insert

The Westlake Pipe & Fittings 1429-015 Barb Coupling, 1.5″ Insert, is a dependable, high-strength connector engineered for joining two lengths of flexible 1.5-inch hose or tubing with maximum reliability and long-term durability. Designed for demanding water movement applications, this coupling is commonly used in pool and spa plumbing, irrigation systems, water circulation setups, pond installations, and general-purpose fluid transfer lines. Its rugged construction, precise barb geometry, and simple installation process make it a go-to solution for professional plumbers, pool installers, landscapers, and DIY system builders who need a strong and secure hose-to-hose joining method.

Constructed from tough, corrosion-resistant polymer material, the Westlake 1429-015 is built to withstand harsh indoor and outdoor conditions without cracking, warping, or weakening. Unlike metal fittings that may rust over time or fittings made from lower-grade plastics that degrade under UV exposure, this coupling maintains performance season after season. The material resists chemicals commonly found in pool water, including chlorine, bromine, and other sanitizers, making it a highly reliable choice for pool equipment plumbing. The polymer composition ensures that moisture, soil, and temperature changes do not compromise the integrity of the connection.

The design of the barb coupling is one of its strongest advantages. Its dual-barb insert configuration creates a tight mechanical grip when inserted into flexible hose. As the hose slides over the barbs, the ridges lock into place, creating a strong seal that resists slipping, blow-offs, or leaks. When combined with stainless-steel hose clamps, the connection becomes extremely secure, even under fluctuating pressure or continuous pump operation. The textured surface of the barbs enhances friction, helping the hose maintain a firm hold over time.

This coupling is ideal for extending hose runs, fixing damaged sections, or customizing flow pathways in water systems. Whether you are repairing a broken length of pool hose on the spot or building a new irrigation line from scratch, the Westlake 1429-015 simplifies the process. Installers appreciate the ease of use—no primer, glue, or special equipment is required.

Versatility is another key benefit of this barb coupling. It is compatible with a variety of flexible tubing types, such as pool vacuum hose, spa plumbing hose, flexible PVC (FlexPVC), polyethylene irrigation tubing, and reinforced spiral hose. Because many water systems rely on flexible connections for vibration absorption and directional changes, a reliable coupling like the 1429-015 is essential for maintaining system performance, reducing leaks, and ensuring efficient water movement.

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 1429-015 Barb Coupling, 1.5″ Insert Features:

• Connects two sections of 1.5″ flexible hose or tubing
• Great for repairs, extensions, or custom plumbing layouts
• 1.5″ insert barb designed for secure connection with 1.5″ ID flexible or semi-rigid tubing
• Barbed insert design ensures a tight, secure mechanical grip
• Smooth internal bore to minimize flow disruption and pressure loss

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