{"product_id":"balboa-one-and-a-half-inch-slip-one-and-a-half-inch-fip-union-assembly-11-3550","title":"Balboa One And A Half Inch Slip One And A Half Inch FIP Union Assembly 11 3550","description":"\u003cdiv\u003e\n\u003ch1\u003eBalboa 1 1\/2\" Slip x 1 1\/2\" FIP Union Assembly (11-3550)\u003c\/h1\u003e\n\u003cp\u003eIntroducing the Balboa 1 1\/2\" Slip x 1 1\/2\" FIP Union Assembly (11-3550) — a purpose-built, OEM-grade connection from Balboa Water Group (BWG) designed to simplify spa plumbing in hot tubs and whirlpool baths. This complete union fitting bridges a 1-1\/2\" slip pipe with a 1-1\/2\" FIP (Female Iron Pipe) threaded port, delivering a secure, serviceable link for Balboa-powered systems.\u003c\/p\u003e \u003ch2\u003eKey benefits that matter in real-world spa projects\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-connection versatility\u003c\/strong\u003e: one end accepts 1-1\/2\" slip piping, the other end threads as 1-1\/2\" FIP, enabling flexible integration with both solvent-welded runs and threaded spa components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-grade reliability\u003c\/strong\u003e: built to match Balboa’s standards for pumps, heaters, controls, jets, and accessories, ensuring consistent performance within the BWG ecosystem.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eService-friendly design\u003c\/strong\u003e: the union configuration allows quick disassembly for component replacement or routine maintenance without re-plumbing the entire loop.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInventory-friendly sizing\u003c\/strong\u003e: standard 1-1\/2\" connections reduce the need for adapters, simplifying repairs and stocking.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cp\u003eThis union assembly is perfect for connections where a 1-1\/2\" slip line meets a 1-1\/2\" FIP threaded port. Use cases include attaching spa pumps to heaters, linking control-system manifolds, or replacing aging unions in Balboa-powered spas. If your system relies on Balboa components, this 11-3550 fitting ensures compatibility and straightforward servicing.\u003c\/p\u003e \u003ch2\u003eInstallation tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrepare and verify\u003c\/strong\u003e: ensure pipe ends are clean and properly aligned before assembly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThreaded side\u003c\/strong\u003e: apply appropriate thread sealant or Teflon tape on the FIP threads per component manufacturer guidance, then tighten by hand and finish with a snug final turn. Avoid overtightening to prevent damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSlip side\u003c\/strong\u003e: slide the slip end onto the 1-1\/2\" pipe and tighten the union nut to achieve a tight, leak-resistant joint.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTest for leaks\u003c\/strong\u003e: after installation, run the system at low flow to confirm a secure seal and re-tighten if any moisture appears.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBrand context and availability\u003c\/h2\u003e\n\u003cp\u003eBalboa Water Group is renowned for delivering reliable, integrated spa solutions — from pumps and heaters to electronic controls and jets. The 11-3550 union assembly embodies that philosophy: a durable, easy-to-service connection that aligns with BWG’s broader product family. For those stocking Balboa parts, this fitting integrates seamlessly with the extensive Balboa lineup and widely supports spa maintenance and upgrades.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"bspotext8b\"\u003eBalboa 1 1\/2\" Slip x 1 1\/2\" FIP Union Assembly (11-3550)\u003c\/span\u003e \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"margintop4\" width=\"545\" height=\"228\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeName\"\u003eUnion Fitting Complete\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeValue\"\u003eComplete Union\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeName\"\u003eUnion Fitting Application\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeValue\"\u003eVarious\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeName\"\u003eFirst Plumbing Connection Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeValue\"\u003e1-1\/2\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeName\"\u003eFirst Plumbing Connection Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeValue\"\u003eFemale Pipe Thread (fpt), Slip (s)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeName\"\u003eSecond Plumbing Connection Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeValue\"\u003e1-1\/2\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeName\"\u003eSecond Plumbing Connection Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeValue\"\u003eFemale Pipe Thread (fpt), Slip (s)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeName\"\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeValue\"\u003eWaterway\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan class=\"bspotext8n\"\u003e\u003cspan class=\"bspotext8n\"\u003e Balboa Water Group (BWG) is dedicated to providing only the highest quality spa systems and spa replacement products to their customers. They design the Balboa products and systems to provide the basic functionality that you need matched with the additional features that you want. Whether you are replacing a bath or spa pump, heater, electronic spa control system, jets, or white goods, we have the right solution for you, at an affordable price. If you need assistance in finding the right replacement products, give us a call at 800-918-9143 today! We can also be reached via chat or e-mail during normal business hours. \u003cbr\u003e\u003cbr\u003e\u003cspan class=\"bspotext9b\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"5\" cellspacing=\"5\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"60%\"\u003e\u003cspan class=\"bspotext12h\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eWHY USE BALBOA WATER GROUP PRODUCTS?\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd width=\"15%\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd width=\"25%\" valign=\"top\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\"\u003e\n\u003cp\u003e\u003cspan class=\"bspotext8n\"\u003e At Balboa Water Group (formerly Balboa Instruments), their fundamental commitment to the leisure water industry has been to provide a simple, comprehensive, one source solution to their products that include the highest quality in pumps, blowers, electronic control systems, jets, white goods and accessories. Their outlook has earned them the position as the leading global supplier of product design, state-of-the-art manufacturing, and an unsurpassed reputation for reliability. With nearly three decades of innovative design, expansion and development, BWG offers a complete line of products for your whirlpool bath or hot tub.\u003cbr\u003e\u003cbr\u003eBath \u0026amp; Spa \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eSuperstore\u003c\/span\u003e carries a complete line of Balboa Water Group Products, readily available for immediate delivery. At current, we carry more than 2500 different Balboa SKU's, which represents their complete line of available products. If it is made by Balboa, we carry it.\u003c\/span\u003e\u003cspan class=\"bspotext8n\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \u003cbr\u003e \u003ctable class=\"margintop4\" width=\"545\" height=\"228\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeName\"\u003eUnion Fitting Complete\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeValue\"\u003eComplete Union\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeName\"\u003eUnion Fitting Application\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeValue\"\u003eVarious\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeName\"\u003eFirst Plumbing Connection Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeValue\"\u003e1-1\/2\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeName\"\u003eFirst Plumbing Connection Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeValue\"\u003eFemale Pipe Thread (fpt), Slip (s)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeName\"\u003eSecond Plumbing Connection Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeValue\"\u003e1-1\/2\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeName\"\u003eSecond Plumbing Connection Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeValue\"\u003eFemale Pipe Thread (fpt), Slip (s)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 273.125px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeName\"\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 257.875px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeValue\"\u003eWaterway\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \u003cbr\u003e \u003ctable border=\"0\" cellpadding=\"5\" cellspacing=\"5\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"60%\"\u003e\u003cspan class=\"bspotext12h\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eWHY USE BALBOA WATER GROUP PRODUCTS?\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd width=\"15%\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd width=\"25%\" valign=\"top\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\"\u003e\n\u003cp\u003e\u003cspan class=\"bspotext8n\"\u003e At Balboa Water Group (formerly Balboa Instruments), their fundamental commitment to the leisure water industry has been to provide a simple, comprehensive, one source solution to their products that include the highest quality in pumps, blowers, electronic control systems, jets, white goods and accessories. Their outlook has earned them the position as the leading global supplier of product design, state-of-the-art manufacturing, and an unsurpassed reputation for reliability. With nearly three decades of innovative design, expansion and development, BWG offers a complete line of products for your whirlpool bath or hot tub.\u003cbr\u003e\u003cbr\u003eBath \u0026amp; Spa \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eSuperstore\u003c\/span\u003e carries a complete line of Balboa Water Group Products, readily available for immediate delivery. At current, we carry more than 2500 different Balboa SKU's, which represents their complete line of available products. If it is made by Balboa, we carry it.\u003c\/span\u003e\u003cspan class=\"bspotext8n\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\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":40241270358058,"sku":"400-4160","price":18.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/11-3550.jpg?v=1769976078","url":"https:\/\/bathparts.com\/products\/balboa-one-and-a-half-inch-slip-one-and-a-half-inch-fip-union-assembly-11-3550","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}