{"product_id":"waterway-711-4050-ribbed-o-ring-gasket-for-1-1-2-inch-spa-heaters-and-pump-unions-waterway-plastics","title":"Waterway 711-4050 Ribbed O-ring\/Gasket for 1-1\/2 inch Spa Heaters and Pump Unions | Waterway Plastics","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eWaterway Plastics designs, engineers, and manufactures trusted spa components in the USA. Since 1973, Waterway has emphasized innovation, quality materials, and dependable performance. The 711-4050 ribbed O-ring gasket is built for 1-1\/2 inch heater and pump union connections, using premium NSF approved materials and adhering to industry certifications and standards. This part is produced at Waterway’s Oxnard, California facility, reflecting the brand’s long-standing commitment to craftsmanship and durability.\u003c\/p\u003e\n\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWaterway Part Number 711-4050\u003c\/li\u003e\n  \u003cli\u003eInside diameter approx 1 9\/16 inches\u003c\/li\u003e\n  \u003cli\u003eOutside diameter approx 2 5\/16 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaterials, origin, and certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMade in the USA at a 460,000 sq ft facility in Oxnard, CA\u003c\/li\u003e\n  \u003cli\u003ePremium NSF approved materials\u003c\/li\u003e\n  \u003cli\u003eMeets industry certifications and standards for spa equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility and real‑world use\u003c\/h3\u003e\n\u003cp\u003eDesigned for 1-1\/2 inch heater and pump union connections, this ribbed O-ring helps maintain a reliable seal between joints. Replacing worn gaskets is a practical step in routine spa maintenance and can support steady performance during seasonal use and frequent maintenance cycles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 1-1\/2 inch spa heater and pump union assemblies\u003c\/li\u003e\n  \u003cli\u003eRibbed design offers a secure, flexible seal that accommodates slightly imperfect surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose Waterway 711-4050\u003c\/h3\u003e\n\u003cp\u003eChoose this part when you need a genuine Waterway gasket with a proven fit for standard spa connections. Its USA production, NSF‑approved materials, and adherence to certifications provide a dependable option for technicians and DIY enthusiasts alike, without making guarantees about outcomes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the Waterway 711-4050 O-ring used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A ribbed gasket for 1-1\/2 inch spa heaters and pump unions; ID about 1.59 inches, OD about 2.31 inches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Where is Waterway 711-4050 made and what materials are used?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Made in the USA using premium NSF-approved materials and designed to meet industry certifications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Waterway","offers":[{"title":"Default Title","offer_id":43987194445958,"sku":"B00L2OFKFS","price":9.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/waterway-plastics-711-4050-ribbed-o-ring-gasket.jpg?v=1778835984","url":"https:\/\/patiozora.com\/products\/waterway-711-4050-ribbed-o-ring-gasket-for-1-1-2-inch-spa-heaters-and-pump-unions-waterway-plastics","provider":"PatioZora","version":"1.0","type":"link"}