{"product_id":"pentair-34-x-61-ths-series-horizontal-sand-filter-143461","title":"Pentair 34\" x 61\" THS Series Horizontal Sand Filter | 143461","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe Pentair THS Series THS3461 Horizontal Sand Filter is a high-performance commercial filtration solution designed for commercial swimming pools and other demanding water applications. Built with a durable multi-layer engineered fiberglass tank, the THS3461 provides excellent corrosion resistance, reliable filtration, and long service life.\u003c\/p\u003e\n\u003cp\u003ePentair rates the THS Series tank for up to 50 PSI working pressure, and the THS3461 provides 13.5 sq. ft. of filtration area with flow rates up to 270 GPM at 20 GPM per square foot. Its 34-inch diameter design is compact enough to fit through a standard doorway, making installation and equipment-room access easier. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommercial-Grade Horizontal Design\u003c\/strong\u003e\u003cbr\u003eDesigned specifically for commercial pools and water applications where dependable high-capacity filtration is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e13.5 Sq. Ft. Filtration Area\u003c\/strong\u003e\u003cbr\u003eThe THS3461 provides 13.5 square feet of effective filter area and supports flow rates of 135 GPM at 10 GPM\/sq. ft., 203 GPM at 15 GPM\/sq. ft., and up to 270 GPM at 20 GPM\/sq. ft. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Fiberglass Construction\u003c\/strong\u003e\u003cbr\u003eThe tank is manufactured from multi-layer engineered fiberglass using chopped glass and directional roving in an isophthalic polyester matrix for strength and corrosion resistance. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e50 PSI Maximum Working Pressure\u003c\/strong\u003e\u003cbr\u003eEngineered to withstand up to 50 PSI of internal pressure for demanding commercial filtration systems. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFront-Access Manway\u003c\/strong\u003e\u003cbr\u003eA front-mounted manway provides easier service access while helping reduce the required installation footprint.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits Through Standard Doorways\u003c\/strong\u003e\u003cbr\u003eThe 34-inch-diameter THS tank is specifically designed to fit through standard doorways, which can simplify installation in existing mechanical rooms. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEfficient Internal Water Distribution\u003c\/strong\u003e\u003cbr\u003eAn influent header and internal distributors spread incoming water evenly across the sand bed, while the effluent header and laterals collect filtered water efficiently. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMultiple Backwash Options\u003c\/strong\u003e\u003cbr\u003eCompatible with optional manual, semi-automatic, and fully automatic backwash systems for flexible commercial system design. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-capacity commercial pool filtration\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant fiberglass construction\u003c\/li\u003e\n\u003cli\u003eCompact horizontal configuration\u003c\/li\u003e\n\u003cli\u003eUp to 270 GPM flow rate for the THS3461\u003c\/li\u003e\n\u003cli\u003eNSF-listed commercial filtration design\u003c\/li\u003e\n\u003cli\u003eFront access for easier maintenance\u003c\/li\u003e\n\u003cli\u003eAccessible tank drain\u003c\/li\u003e\n\u003cli\u003eAdjustable saddle-style supports for leveling\u003c\/li\u003e\n\u003cli\u003eCompatible with several Pentair backwash configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eTHS Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eTHS3461\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU \/ Part Number\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e143461\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarcode \/ UPC\u003c\/td\u003e\n\u003ctd\u003e788379907143\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eHorizontal High-Rate Sand Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eCommercial Pools \/ Water Applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank Size\u003c\/td\u003e\n\u003ctd\u003e34\" x 61\" nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank Outside Diameter\u003c\/td\u003e\n\u003ctd\u003e35\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Area\u003c\/td\u003e\n\u003ctd\u003e13.5 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate @ 10 GPM\/sq. ft.\u003c\/td\u003e\n\u003ctd\u003e135 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate @ 15 GPM\/sq. ft.\u003c\/td\u003e\n\u003ctd\u003e203 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate @ 20 GPM\/sq. ft.\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e270 GPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Working Pressure\u003c\/td\u003e\n\u003ctd\u003e50 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Continuous Water Temperature\u003c\/td\u003e\n\u003ctd\u003e125°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Sand\u003c\/td\u003e\n\u003ctd\u003e#20 White Quartz Silica Sand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSand Effective Size\u003c\/td\u003e\n\u003ctd\u003e0.45–0.55 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSand Requirement\u003c\/td\u003e\n\u003ctd\u003e12.5 cu. ft. \/ approximately 1,250 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGravel Requirement\u003c\/td\u003e\n\u003ctd\u003e3.0 cu. ft. \/ approximately 300 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Media Requirement\u003c\/td\u003e\n\u003ctd\u003e15.5 cu. ft. \/ approximately 1,550 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSand Bed Depth\u003c\/td\u003e\n\u003ctd\u003e9\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGravel Depth\u003c\/td\u003e\n\u003ctd\u003e8-5\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFreeboard Height\u003c\/td\u003e\n\u003ctd\u003e7-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Weight\u003c\/td\u003e\n\u003ctd\u003eApproximately 3,500 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003eApproximately 530 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNSF Listed\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003ePentair's published dimensional and media table confirms the THS3461 filtration area, flow rates, media quantities, operating weight, shipping weight, and dimensions. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe THS3461 is intended for commercial filtration systems and should be installed by qualified commercial pool professionals in accordance with applicable codes and Pentair installation instructions.\u003c\/p\u003e\n\u003cp\u003eThe filter requires approximately \u003cstrong\u003e1,250 lbs. of sand and 300 lbs. of gravel\u003c\/strong\u003e, for approximately \u003cstrong\u003e1,550 lbs. of total filtration media\u003c\/strong\u003e. Filter media, external plumbing, backwash controls, valves, and related accessories should not be assumed to be included unless specifically stated in the product offering. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePentair offers compatible THS3461 single- and dual-tank manifold kits with either butterfly or diaphragm valves. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm Before Ordering\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePlease confirm the following before placing your order:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePentair part number \u003cstrong\u003e143461\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eModel \u003cstrong\u003eTHS3461\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRequired flow rate and filtration area\u003c\/li\u003e\n\u003cli\u003eAvailable equipment-room dimensions\u003c\/li\u003e\n\u003cli\u003eRequired backwash configuration\u003c\/li\u003e\n\u003cli\u003eRequired manifold and valve package\u003c\/li\u003e\n\u003cli\u003eSand and gravel media requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommercial filtration equipment may require additional components that are sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"\"\u003ePentair's published THS engineering specifications state that the filter vessel carries a \u003cstrong\u003e10-year limited warranty against defects in material and workmanship, with the first three years non-prorated\u003c\/strong\u003e. Warranty eligibility and coverage are subject to Pentair's current terms, proper installation, operation, and application requirements. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCustomer Q\u0026amp;A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum flow rate of the Pentair THS3461?\u003c\/strong\u003e\u003cbr\u003eThe THS3461 is rated for up to \u003cstrong\u003e270 GPM at 20 GPM per square foot\u003c\/strong\u003e of filter area. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much filtration area does this filter provide?\u003c\/strong\u003e\u003cbr\u003eIt provides \u003cstrong\u003e13.5 square feet\u003c\/strong\u003e of filtration area.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much sand does the THS3461 require?\u003c\/strong\u003e\u003cbr\u003ePentair specifies approximately \u003cstrong\u003e12.5 cubic feet or 1,250 lbs. of sand\u003c\/strong\u003e, plus approximately \u003cstrong\u003e300 lbs. of gravel\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the filter include the backwash valve system?\u003c\/strong\u003e\u003cbr\u003ePentair lists separate manifold and valve kits for the THS3461, so the required backwash and face-piping configuration should be confirmed before ordering. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this filter fit through a standard doorway?\u003c\/strong\u003e\u003cbr\u003eYes. Pentair specifically states that its 34-inch-diameter THS tanks are designed to fit through standard doorways. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum operating pressure?\u003c\/strong\u003e\u003cbr\u003eThe tank is rated for a maximum working pressure of \u003cstrong\u003e50 PSI\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":54382599569718,"sku":"143461","price":13995.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/68417_0_20258584657.jpg?v=1786132718","url":"https:\/\/poolsupplydepot.net\/products\/pentair-34-x-61-ths-series-horizontal-sand-filter-143461","provider":"Pool Supply Depot","version":"1.0","type":"link"}