Waterway 2" Split Nut Heater Union Tailpiece — Part 417-5050

The Waterway Split Nut Heater Union Tailpiece 417-5050 is a 2-inch plumbing fitting built to create a reliable, watertight bond between pool or spa heaters and standard PVC plumbing lines. One end carries a 2-inch buttress thread while the opposite side accepts a 2-inch slip fitting, allowing straightforward attachment to 2-inch PVC pipes and components. A built-in gasket delivers a pressure-resistant seal that guards against...

Waterway 2.5" Slip x 2.5" Slip 90-Degree Sweep Elbow — Part 411-9150

The Waterway 411-9150 90-Degree Sweep Elbow is a 2.5-inch slip x slip fitting purpose-engineered to manage water direction within pool and spa plumbing. Its gradual sweep profile diminishes friction and sustains uninterrupted water movement, providing less flow resistance than conventional sharp-angle elbows. Constructed from enduring, chemically resistant PVC, this fitting is manufactured for years of reliable service in demanding aquatic settings. Well-suited for both newly...

Waterway 2.5" Split Nut for DE Pool Filters — Part 400-5271B

The Waterway 400-5271B 2.5-Inch Split Nut is a premium OEM replacement part purpose-built for fastening plumbing joints on Waterway DE filter assemblies. Crafted from robust, pool-rated PVC, this component is engineered to deliver watertight connections even when subjected to chemically treated water and elevated system pressures. Found as a standard element in numerous Waterway DE filter setups, it features a straightforward installation process that makes...

Waterway Buttress Threaded Union Adapter for Executive Pump 2" x 2.5" — Part 415-6010

The Waterway 415-6010 Buttress Threaded Union Adapter is a 2-inch by 2.5-inch OEM connector precision-engineered to mate with Waterway Executive Pumps. Its buttress thread profile creates a powerful, watertight bond that ensures stable water movement through pool and spa plumbing networks. Fabricated from durable, corrosion-fighting materials, this union adapter is a strong choice for both initial installations and equipment servicing tasks. It streamlines system assembly...

Waterway Econ Return Fitting with Insert Inlet — Black (400-9181)

The Waterway 400-9181 Econ Return Fitting Insider Inlet in black is a 1-inch return component designed for interior mounting within standard 1-inch plumbing found in pool and spa environments. This part enhances water circulation by directing efficient return flow, which helps sustain uniform pressure distribution and thorough filtration across the entire system. Built from hardy, chemically resistant materials, it endures years of service in aquatic...

Waterway Econ Return Fitting with Insert Inlet — White (400-9180)

The Waterway 400-9180 Econ Return Fitting Insider Inlet in white is a sturdy 1-inch return component that mounts inside conventional plumbing lines within pool and spa setups. This fitting promotes steady water return and uniform circulation patterns, helping prolong the service life of connected equipment while supporting superior water quality. Its chemical-tolerant construction guarantees lasting durability, even during periods of heavy operation and exposure to...

Waterway High-Temp PVC Slide Valve Assembly 2.5" | 600-1500

The Waterway 600-1500 OEM Swimming Pool Filter Backwash Valve is constructed from high-temperature CPVC and equipped with 2-1/2 inch ports plus included 2-inch reducer fittings, making it a direct-fit solution for backwashing Crystal Water DE filter systems. Precision-engineered to work with filter models 570-0036-07, 570-0048-07, and 570-0060-07, this slide valve assembly locks in securely and performs reliably through countless backwash cycles in demanding poolside conditions....

Waterway Hose Adapter 1.5" MPT x 1.5" Hose — Part 417-6140

The Waterway Hose Adapter 417-6140 is a rugged plumbing fitting engineered to connect a 1.5-inch male pipe thread (MPT) outlet to a 1.5-inch hose within pool and spa systems. Featuring a smooth male adapter profile, it creates a firm and dependable seal that minimizes drips and maintains even water delivery. Constructed from materials specifically formulated for poolside use, this fitting resists chemical degradation, water pressure,...

Waterway Hose Fitting Adapter 1.5" MPT x 1.25" Hose — Part 417-6060

The Waterway Hose Fitting Adapter 417-6060 is a sturdy white plastic coupling that bridges 1.5-inch male pipe thread (MPT) connections to 1.25-inch flexible hoses in pool and spa plumbing setups. This adapter forms a snug, leak-proof junction that promotes reliable water delivery and reduces the chance of drips at the connection point. Engineered from chemical-resistant plastic, it holds up against prolonged exposure to treated pool...

Waterway Hose Fitting Adapter 1.5" x 1.25" — Part 417-6080

The Waterway Hose Fitting Adapter 417-6080 is a robust coupling built to attach 1.5-inch spigot fittings to 1.25-inch hoses in pool and spa plumbing networks. Designed for a tight, sealed connection, this adapter prevents moisture loss and sustains even water delivery throughout your system. Manufactured from premium, chemical-resistant material, it maintains structural integrity in the face of chlorinated water, elevated temperatures, and continuous operation. From...

Waterway Pump Tailpiece for Mustang & SVL Series — 2" to 2.5" (400-5111)

Establish a rock-solid pump connection with the OEM Waterway Tailpiece Kit 400-5111, purpose-built for Waterway Mustang and SVL pump series. This versatile union tailpiece supports both 2-inch and 2.5-inch plumbing connections, giving you the flexibility to match your specific pipe configuration without sourcing additional adapters. The complete kit arrives with union nuts, gaskets, short couplers, and a long coupler — all the hardware required for...

Waterway Union Tailpiece 2" Buttress x 2" Slip — Part 417-5040B

The Waterway Union Tailpiece 417-5040B provides a dependable plumbing bridge between 2-inch buttress threaded fittings and 2-inch slip connections within pool and spa equipment. Engineered for dual compatibility with both 2-inch and 2.5-inch heater unions, this versatile tailpiece accommodates a broad range of heating and circulation configurations. Its chemical-resistant construction stands up to the demanding conditions of treated water environments, delivering years of trouble-free service....