{"product_id":"balboa-heater-o-ring-gasket-2-21619","title":"Balboa Heater O-Ring\/Gasket [2\"] (21619)","description":"\u003cdiv\u003eBalboa Heater O-Ring\/Gasket, 2\" (21619), provides a reliable seal for Balboa heater unions in spa pump assemblies. This gasket is designed for 2\" heater connections and delivers a precise fit with an inner diameter of 2-1\/8 inches and an outer diameter of 2-7\/8 inches, with a 1\/8-inch cross-section to compress securely between mating surfaces. The part is commonly cataloged as 711-4030 as an alternative reference, and it is compatible with standard Balboa heater union fittings across various spa systems. Features include consistent compression, leak prevention at high-temperature water systems, and straightforward replacement during routine maintenance or component service. Ideal for technicians and DIY spa owners performing seasonal service, heater inspections, or gasket replacements. By choosing this Balboa gasket, users can maintain efficient flow and prevent water leaks, contributing to longer heater life and reduced downtime. Balboa Water Group is a trusted brand in spa and pool equipment, known for compatible, durable replacement parts that fit reliably with standard unions. \u003cbr\u003e \u003ctable class=\"margintop4\" style=\"width: 557px; height: 303px; border: 1px solid #220bf3;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 336.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeName\"\u003eHeater Union Part Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 204.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeValue\"\u003eGasket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 336.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeName\"\u003ePart Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 204.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeValue\"\u003eGasket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 336.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeName\"\u003eUnion Fitting Application\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 204.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeValue\"\u003ePump\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 336.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeName\"\u003eInside Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 204.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeValue\"\u003e2-1\/8\" id\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 336.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeName\"\u003eOutside Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 204.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeValue\"\u003e2-7\/8\" od\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 336.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeName\"\u003eUnion Fitting Part Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 204.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeValue\"\u003eO-Ring\/Gasket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 336.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeName\"\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 204.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeValue\"\u003eVarious\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Balboa Water Group","offers":[{"title":"Default Title","offer_id":40331385602090,"sku":"21619","price":3.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/90-423-1007_XL_6cd9813f-6917-4d4b-86a9-b2f813879b76.jpg?v=1769976168","url":"https:\/\/bathparts.com\/en-um\/products\/balboa-heater-o-ring-gasket-2-21619","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}