{"product_id":"waterway-711-4000-1-5-inch-union-heater-gasket-replacement-seal-for-spa-pool-heaters","title":"Waterway 711-4000 1.5-Inch Union Heater Gasket | Replacement Seal for Spa \u0026 Pool Heaters","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe Waterway 711-4000 1.5-Inch Union Heater Gasket is a purpose-built replacement seal designed for 1.5-inch heater unions. When a gasket wears or leaks, this part provides a practical, ready-to-use option to restore a reliable connection between heater components.\u003c\/p\u003e\n\u003ch2\u003eWhy it matters\u003c\/h2\u003e\n\u003cp\u003eIn spa and pool heating systems, a secure seal at the union joint helps maintain steady performance and minimizes water leakage at the connection point. This gasket is intended to fit standard 1.5-inch unions, supporting a straightforward maintenance workflow and helping to keep equipment operating as intended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement for compatible Waterway unions\u003c\/li\u003e\n  \u003cli\u003eSupports a reliable seal at the union joint\u003c\/li\u003e\n  \u003cli\u003eEasy to install as part of routine maintenance\u003c\/li\u003e\n  \u003cli\u003eSuitable for spa and pool heater assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat to expect during installation\u003c\/h2\u003e\n\u003cp\u003eBefore you begin, power down the system and ensure access to the heater union. Remove the old gasket, clean mating surfaces, and seat the new gasket evenly to avoid pinching. Reassemble and test for leaks following standard safety precautions.\u003c\/p\u003e\n\u003cp\u003eThis gasket is designed as a practical, cost-effective replacement option. It works best when used as part of a regular maintenance plan and in combination with compatible components of the system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect for wear and condition prior to replacement\u003c\/li\u003e\n  \u003cli\u003eHave spare gaskets on hand for timely service\u003c\/li\u003e\n\u003c\/ul\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 711-4000 1.5-Inch Union Heater Gasket used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It's a replacement seal for 1.5-inch heater unions, designed to prevent leaks and simplify maintenance in spa and pool heaters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm compatibility with my heater?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check that your union is 1.5 inches and match the Waterway part number 711-4000 for a like-for-like fit; consult your equipment manual if unsure.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Waterway","offers":[{"title":"Default Title","offer_id":43987292029062,"sku":"B00309VBJM","price":8.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/waterway-711-4000-1-5-inch-union-heater-gasket.jpg?v=1778837780","url":"https:\/\/patiozora.com\/products\/waterway-711-4000-1-5-inch-union-heater-gasket-replacement-seal-for-spa-pool-heaters","provider":"PatioZora","version":"1.0","type":"link"}