{"product_id":"pentair-2-inch-threaded-multiport-valve-replacement-for-fns-nautilus-plus-pvc-6-position-positive-lock","title":"Pentair 2-Inch Threaded Multiport Valve Replacement for FNS\/Nautilus Plus — PVC, 6-Position Positive-Lock","description":"\u003cp\u003e\u003cstrong\u003ePentair 261152 is a 2-inch threaded multiport valve engineered as a direct replacement for Pentair FNS, FNS Plus and Nautilus Plus D.E. pool and spa filters.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis threaded 2-inch multiport valve from Pentair gives pool and spa owners a durable, simple way to restore full control over filtration functions. Built with a PVC body and a six-position positive-lock handle, it replaces worn or damaged valves to maintain proper filtration, backwash, rinse and winterizing functions. The valve’s compatibility with Pentair D.E. filter models makes it a practical, OEM-fit option for routine maintenance or repair projects.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this multiport valve improve filter operation?\u003c\/h3\u003e\n\u003cp\u003eReplacing a failing valve with the Pentair 261152 brings back secure position selection and leak-tight performance. The six-position selector provides clear settings for filtering, backwashing, rinsing and draining, so the system behaves predictably during normal use and maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePositive-lock handle prevents accidental movement between settings\u003c\/li\u003e\n  \u003cli\u003eThreaded 2\" connection matches Pentair filter ports for straightforward installation\u003c\/li\u003e\n  \u003cli\u003ePVC construction resists water exposure and typical pool chemicals\u003c\/li\u003e\n  \u003cli\u003eSpecial winterizing position helps drain remaining water from the valve body\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical and material features I should know?\u003c\/h3\u003e\n\u003cp\u003eThe valve is molded from robust PVC suitable for above- or below-deck filter assemblies compatible with Pentair FNS and Nautilus Plus series. Its profile and dimensions match OEM specifications to ensure a correct fit without modification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2-inch threaded inlet\/outlet for direct replacement\u003c\/li\u003e\n  \u003cli\u003ePVC body for chemical and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eSix functional positions: Filter, Backwash, Rinse, Waste, Closed, Winterize\u003c\/li\u003e\n  \u003cli\u003ePositive-lock mechanism for secure setting retention\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to install and maintain this replacement valve?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic pool plumbing. The threaded connections and matching geometry reduce the need for adapters, and routine maintenance is limited to visual inspections and seasonal checks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThreaded 2\" connections simplify removal and reseating\u003c\/li\u003e\n  \u003cli\u003eNo special tools required beyond standard plumbing tools\u003c\/li\u003e\n  \u003cli\u003eInspect O-rings and seals when reassembling to prevent leaks\u003c\/li\u003e\n  \u003cli\u003eUse the winterize position to protect the valve during freezing months\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this replacement valve for? Pool service technicians, do-it-yourself homeowners, and facility maintenance teams who own Pentair FNS, FNS Plus or Nautilus Plus D.E. filters will find this valve an exact, durable replacement. It’s intended for users seeking an OEM-compatible component to restore proper filter control, prevent leaks, and maintain efficient pool or spa operation without retrofitting or reworking plumbing connections. If your filter shows reduced performance, a leaky valve, or an inability to hold selector positions, the Pentair 261152 offers a reliable, manufacturer-compatible solution.\u003c\/p\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: Is the Pentair 261152 compatible with Nautilus Plus filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the 261152 is designed to fit Pentair FNS, FNS Plus and Nautilus Plus D.E. filter models with 2\" threaded ports.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this valve include a winterize setting?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it features a special winterizing position to help drain the valve body and protect it in freezing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":56801735901524,"sku":"B001F6S9TC","price":335.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/pentair-261152-front-view-threaded-valve.jpg?v=1786747899","url":"https:\/\/gardenluxe.co.uk\/products\/pentair-2-inch-threaded-multiport-valve-replacement-for-fns-nautilus-plus-pvc-6-position-positive-lock","provider":"Gardenluxe Uk","version":"1.0","type":"link"}