{"product_id":"pentair-154521-flange-valve-adapter-8-5in-6-tpi","title":"Pentair 154521 Flange Valve Adapter - 8.5in, 6 TPI","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003ePentair 154521 Flange Valve Adapter - 8.5in, 6 TPI is a replacement adapter used to connect compatible Pentair multiport or control valves to filter tanks. It provides the threaded interface between valve and tank flange.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003eA damaged or stripped adapter can cause leaks at the valve connection point. Replacing it restores a secure seal and proper valve alignment. This helps prevent water loss and pressure issues during filtration and backwashing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePentair manufacturer part number 154521\u003c\/li\u003e\n\u003cli\u003e8.5in size\u003c\/li\u003e\n\u003cli\u003e6 TPI thread specification\u003c\/li\u003e\n\u003cli\u003eFlange valve adapter component\u003c\/li\u003e\n\u003cli\u003eFor compatible Pentair filter systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003eInspect the tank flange and O-ring before installing the adapter. Tighten evenly to avoid cross-threading. Confirm by manufacturer part number before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout the Pentair Brand\u003c\/strong\u003e\u003cbr\u003ePentair is a trusted manufacturer of pool filtration and circulation equipment. Their valves and adapters are engineered for integrated system performance. OEM parts help ensure proper sealing and long-term durability. Technicians depend on Pentair components to maintain factory specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003eThis adapter is often replaced during multiport valve service, tank resealing, or when correcting leaks at the filter head after winterization.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52078598553874,"sku":"154521","price":63.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/PEN154521_0.jpg?v=1772562712","url":"https:\/\/www.aquaterrabackyard.com\/products\/pentair-154521-flange-valve-adapter-8-5in-6-tpi","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}