Waterway 2" Split Nut for Pool & Spa Heaters — Part 400-5161B

The Waterway 400-5161B 2-Inch Split Nut is a robust OEM replacement part engineered to fasten plumbing junctions in pool and spa heater configurations. Manufactured from resilient PVC material, this split nut thrives in environments where chemical sanitizers and persistent moisture are present. It accommodates the majority of standard 2-inch heater tubes and comes equipped with pre-drilled mounting points along with the necessary screws for rapid...

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...