{"product_id":"balboa-1-5-inch-slip-to-1-5-inch-npsm-filter-adapter-34115","title":"Balboa 1.5 Inch Slip to 1.5 Inch NPSM Filter Adapter 34115","description":"\u003cdiv\u003e\n\u003ch1\u003eBalboa 1.5\" Slip x 1.5\" NPSM Filter Adapter (34115) — Obsolete, No Replacement\u003c\/h1\u003e\n\u003cp\u003eThe Balboa 1.5\" Slip x 1.5\" NPSM Filter Adapter (34115) is a specialized coupling built for Balboa Water Group spa systems. It bridges a slip-fit 1.5\" pipe to a filter with a 1.5\" NPSM threaded port, enabling you to connect legacy plumbing to a filter element that uses standard NPSM threads. As an older Balboa component, this adapter is now obsolete and not offered as a direct replacement. If you’re maintaining or restoring a vintage Balboa setup, this part may be the right fit to preserve your existing filter configuration.\u003c\/p\u003e \u003ch2\u003eKey advantages and how it helps your spa\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise dimensional fit:\u003c\/strong\u003e 1.5\" slip on one side and 1.5\" NPSM threaded connection on the other, tailored for Balboa filter assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFacilitates compatibility in older systems:\u003c\/strong\u003e Keeps your spa running by allowing a seamless transition between slip-pipe plumbing and NPSM-filter ports without a full system overhaul.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSimple maintenance pathway:\u003c\/strong\u003e When paired with compatible Balboa components, it supports straightforward filter changes and routine service without extensive rewiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability you associate with Balboa:\u003c\/strong\u003e Designed within Balboa Water Group’s tradition of durable, serviceable spa hardware and accessories.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho should consider this adapter\u003c\/h2\u003e\n\u003cp\u003eIdeal for technicians and spa owners working with legacy Balboa systems that feature a slip connection on the piping side and an NPSM-threaded filter port. If your current configuration relies on this 1.5\" slip to 1.5\" NPSM interface, this adapter provides a practical, targeted solution to maintain compatibility and extend the life of your spa’s filtration setup.\u003c\/p\u003e \u003ch2\u003eInstallation considerations and best practices\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePower down and depressurize:\u003c\/strong\u003e Always turn off the spa and relieve pressure before components are removed or installed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeal and tighten correctly:\u003c\/strong\u003e Use appropriate thread sealing or tamping methods for NPSM threads and ensure the slip end is firmly seated to prevent leaks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInspect for compatibility:\u003c\/strong\u003e Given its obsolescence, verify that your current filter housing and piping align with the 1.5\" slip and 1.5\" NPSM dimensions before installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLeak testing:\u003c\/strong\u003e After installation, run the system and check for any signs of water seepage around the adapter; address any tuning needs promptly to maintain efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eImportant note on availability\u003c\/h2\u003e\n\u003cp\u003eBalboa Water Group has discontinued this part, and there is no direct replacement from BWG. For ongoing spa projects or repairs, consult with a service professional to identify current Balboa-compatible adapters or alternative pathways that preserve your system’s performance while aligning with newer Balboa components.\u003c\/p\u003e \u003ch2\u003eWhy choose Balboa Water Group parts for your spa\u003c\/h2\u003e\n\u003cp\u003eBalboa Water Group has a long-standing commitment to quality and reliability in the leisure-water industry. Their comprehensive lineup—ranging from pumps and jets to control systems and accessories—aims to deliver straightforward, one-source solutions for spa owners. Even as certain legacy parts become obsolete, the Balboa heritage emphasizes durable design and practical functionality that many technicians and homeowners rely on for dependable spa operation.\u003c\/p\u003e\n\u003cspan class=\"bspotext8b\"\u003eBalboa 1.5\" Slip x 1.5\" NPSM Filter Adapter (34115)\u003c\/span\u003e \u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #ff2a00;\"\u003eOBSOLETE - NO replacement\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\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\u003e\u003c\/span\u003e\u003cspan class=\"bspotext8n\"\u003e \u003cbr\u003e\u003cbr\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 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\u003e\u003c\/span\u003e\u003cspan class=\"bspotext8n\"\u003e \u003cbr\u003e\u003cbr\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":40241284382762,"sku":"34115","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/34115_lar.jpg?v=1769976108","url":"https:\/\/bathparts.com\/en-um\/products\/balboa-1-5-inch-slip-to-1-5-inch-npsm-filter-adapter-34115","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}