Pond and Waterfall Plumbing Fitting The Atlantic Water Gardens 1.5-inch Schedule 40 adapter is a standard plumbing transition fitting for connecting Sch.40 PVC pipe to pump barbs, check valves, filter inlets, or other water feature fittings that use a different connection interface. Schedule 40 PVC is the most common pipe used in pond and waterfall installations for its balance of wall thickness, pressure rating, and affordability — and this adapter provides the transition point needed when mixing standard PVC pipe with proprietary pump fittings or manifold components. Application Use wherever a 1.5-inch plumbing run meets a fitting that requires an adapter at the transition — for example, connecting a 1.5-inch PVC discharge pipe to a fountain basin bulkhead, a waterfall stream pipe to a skimmer outlet, or a pump discharge barb to a rigid PVC run. The adapter uses standard Sch.40 dimensions for compatibility with any standard PVC cement fitting or slip connection in the same size class. Material Injection-moulded from UV-resistant, chlorine-stable PVC for long service life in pond and water feature applications. Rated for the pressures encountered in typical residential fountain and waterfall pump installations. Pipe Size 1.5 inches (Schedule 40) Material UV-resistant PVC Connection Type Sch.40 slip / solvent weld compatible Application Pond, waterfall, and fountain plumbing transitions Also Available 2" Sch.40 Adapter Standard 1.5-inch Sch.40 dimensions — compatible with any standard PVC fitting UV-resistant PVC for outdoor and submerged applications Solvent weld compatible for permanent watertight joints Available in 2-inch size for larger pipe runs
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