{"product_id":"waterway-plastics-400-5570-union-pump-end-assembly-2-inch","title":"Waterway Plastics 400-5570 Union Pump End Assembly - 2 inch","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003e\nThe Waterway Plastics 400-5570 union pump end assembly is used to connect 2 inch plumbing directly to a pool or spa pump. It forms the pump-side portion of a union, allowing the pump to be disconnected without cutting pipe. This assembly is commonly found on circulation pumps where routine service or future replacement is expected. It plays a critical role in maintaining proper alignment between the pump and plumbing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003e\nPump connections experience constant vibration, pressure, and thermal expansion. A worn or mismatched pump end assembly can introduce leaks, air intrusion, or stress on the pump housing. Using the correct union pump end ensures a proper seal and reduces strain on connected plumbing. This becomes especially important during pump upgrades or motor replacements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer part number 400-5570\u003c\/li\u003e\n  \u003cli\u003eUnion pump end assembly\u003c\/li\u003e\n  \u003cli\u003e2 inch plumbing connection size\u003c\/li\u003e\n  \u003cli\u003eUsed at pool and spa pump inlet or outlet\u003c\/li\u003e\n  \u003cli\u003eDesigned for serviceable pump connections\u003c\/li\u003e\n  \u003cli\u003eInterfaces with compatible union components\u003c\/li\u003e\n  \u003cli\u003eOEM Waterway replacement part\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003e\nThis pump end assembly installs directly onto the pump port and mates with the corresponding union tailpiece and nut. Installers typically verify gasket placement before tightening. Alignment should be checked prior to final assembly to avoid cross-threading or stress. Confirm by manufacturer part number before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAbout the Waterway Plastics Brand\u003c\/strong\u003e\u003cbr\u003e\nWaterway Plastics is a trusted OEM supplier of pool and spa equipment components. Their pump connection parts are widely used by builders and service professionals. Waterway products are engineered for consistent fit and dependable long-term performance. The brand is known for producing service-friendly designs that simplify maintenance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003e\nThis part is frequently encountered during pump replacements or motor upgrades. Technicians often identify it as the pump-side union interface when disconnecting equipment. It is commonly replaced when addressing leaks or updating older pump connections.\u003c\/p\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":52008415789330,"sku":"400-5570","price":4.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/WWP4005570_0.jpg?v=1770399333","url":"https:\/\/www.aquaterrabackyard.com\/products\/waterway-plastics-400-5570-union-pump-end-assembly-2-inch","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}