{"product_id":"aquamatic-k521-p-1inch-npt-threaded-adaptor-pair-part-1070227","title":"AquaMatic K521-P 1inch NPT Threaded Adaptor Pair | Part 1070227","description":"\u003cdiv dir=\"ltr\" aria-busy=\"false\" aria-live=\"polite\" id=\"model-response-message-contentr_e5a02e12a411833b\" class=\"markdown markdown-main-panel stronger enable-updated-hr-color\"\u003e\n\u003ch1 data-path-to-node=\"2\"\u003eAquaMatic K521-P 1\" NPT Threaded Adaptor (Pair) | Part 1070227\u003cb data-index-in-node=\"0\" data-path-to-node=\"3\"\u003e\u003c\/b\u003e\n\u003c\/h1\u003e\n\u003cp data-path-to-node=\"6\"\u003eThe \u003cb data-index-in-node=\"4\" data-path-to-node=\"6\"\u003eAquaMatic K521-P Adaptor Kit\u003c\/b\u003e (Manufacturer Part Number: \u003cb data-index-in-node=\"60\" data-path-to-node=\"6\"\u003e1070227\u003c\/b\u003e) is a factory-original pair of \u003cb data-index-in-node=\"99\" data-path-to-node=\"6\"\u003e1-inch female NPT threaded adapters\u003c\/b\u003e engineered exclusively for \u003cb data-index-in-node=\"162\" data-path-to-node=\"6\"\u003eAquaMatic K521 Series composite body diaphragm valves\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003eThis high-quality PVC grooved adapter kit is designed to provide a secure, heavy-duty threaded transition between standard National Pipe Thread (NPT) pipework or fittings and your K521 control valves. It allows for a clean mechanical installation that avoids the permanent nature of solvent welding, making it highly versatile for commercial and industrial plumbing layouts.\u003c\/p\u003e\n\u003cblockquote data-path-to-node=\"8\"\u003e\n\u003cp data-path-to-node=\"8,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,0\"\u003eImportant Connection Requirement:\u003c\/b\u003e These adapters feature the specialized AquaMatic grooved flange profile and \u003cb data-index-in-node=\"110\" data-path-to-node=\"8,0\"\u003erequire either a \u003ca rel=\"noopener\" title='K521-109 1\" Retaining Ring \u0026amp; Nut Assembly EP (Pair) 1070244' href=\"https:\/\/www.gapswater.co.uk\/collections\/aquamatic-k521-series\/products\/k521-109-1-inch-retaining-ring-nut-assembly-ep-pair\" target=\"_blank\"\u003eK521-109 \u003c\/a\u003eor \u003ca rel=\"noopener\" title='K521-111 1\" Retaining Ring \u0026amp; Nut Assembly Viton (Pair) 1071160' href=\"https:\/\/www.gapswater.co.uk\/collections\/aquamatic-k521-series\/products\/k521-111-1-inch-retaining-ring-nut-assembly-viton-pair\" target=\"_blank\"\u003eK521-111\u003c\/a\u003e Retaining Ring and Nut Assembly\u003c\/b\u003e to mechanically clamp and seal the adapter pair securely to the valve body ports.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2 data-path-to-node=\"10\"\u003eParts Included List\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eTo complete a full valve installation, one kit is required per valve. This kit includes:\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,0,0\"\u003e2 x K521-P 1\" Female NPT Threaded Adapters:\u003c\/b\u003e Precision-moulded PVC connectors featuring the specialized AquaMatic exterior grooved alignment profile on one side and standard 1\" female NPT threads on the other.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"13\"\u003e\u003ci data-index-in-node=\"0\" data-path-to-node=\"13\"\u003eNote: The required K521-109 or K521-111 retaining rings, nuts, and internal elastomer O-rings are sold separately.\u003c\/i\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"15\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,0,0\"\u003eVersatile Threaded Transition:\u003c\/b\u003e Connects your composite valve seamlessly to standard male 1\" NPT pipe nipples, scheduled fittings, or stainless steel\/brass pipework.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,1,0\"\u003eCorrosion-Proof PVC Construction:\u003c\/b\u003e Matches the excellent chemical-resistance profile of the K521 composite valve body—ideal for water softeners, DI water loops, and chemical handling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,2,0\"\u003eRobust Thread Profile:\u003c\/b\u003e Precision-cut female threads ensure clean engagement and a high-integrity seal with minimal risk of cross-threading when using standard trade practices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,3,0\"\u003eGenuine OEM Tolerances:\u003c\/b\u003e Manufactured by AqMatic \/ Pentair to rigorous industrial standards, ensuring perfect concentricity and a tight face seal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"18\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"19\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,1,0,0\"\u003eBrand\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,1,1,0\"\u003eAquaMatic (AqMatic \/ Pentair)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,2,0,0\"\u003eModel Number\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,2,1,0\"\u003eK521-P (K521-P)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,3,0,0\"\u003eSKU \/ MPN\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,3,1,0\"\u003e1070227\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,4,0,0\"\u003eConnection Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,4,1,0\"\u003e1\" (25 mm) Pipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,5,0,0\"\u003eConnection Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,5,1,0\"\u003eFemale NPT (National Pipe Thread)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,6,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,6,0,0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,6,1,0\"\u003eIndustrial Grade PVC (Polyvinyl Chloride)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,7,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,7,0,0\"\u003ePack Quantity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,7,1,0\"\u003e1 Pair (2 Adapters Included per Kit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,8,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,8,0,0\"\u003eRequired Hardware\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,8,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,8,1,0\"\u003eK521-109\u003c\/b\u003e (EPDM) or \u003cb data-index-in-node=\"19\" data-path-to-node=\"19,8,1,0\"\u003eK521-111\u003c\/b\u003e (Viton) Retaining Ring \u0026amp; Nut Assembly\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,9,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,9,0,0\"\u003eValve Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,9,1,0\"\u003eAquaMatic K521 \u0026amp; K551 Series Composite Valves\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"21\"\u003eApplications \u0026amp; Systems\u003c\/h2\u003e\n\u003cp data-path-to-node=\"22\"\u003eThe K521-P threaded adapters are ideal for installations where components or valves may need to be reconfigured, repositioned, or paired with metallic pipe headers. They are widely used in:\u003c\/p\u003e\n\u003cul data-path-to-node=\"23\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"23,0,0\"\u003eCommercial water softeners and multi-media iron\/carbon filtration systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"23,1,0\"\u003eCommercial reverse osmosis pre-treatment and pure water distribution lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"23,2,0\"\u003eIndustrial boiler feed water conditioning and chemical injection systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-path-to-node=\"24\"\u003e\n\u003cp data-path-to-node=\"24,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"24,0\"\u003eInstallation Note:\u003c\/b\u003e Slide your chosen \u003cb data-index-in-node=\"37\" data-path-to-node=\"24,0\"\u003eK521-109\u003c\/b\u003e or \u003cb data-index-in-node=\"49\" data-path-to-node=\"24,0\"\u003eK521-111\u003c\/b\u003e union retaining nut and split ring onto the adapter \u003ci data-index-in-node=\"110\" data-path-to-node=\"24,0\"\u003ebefore\u003c\/i\u003e making your final connection to the valve body. When threading male pipe fittings into these PVC adapters, use a high-quality PTFE thread sealant tape or an approved plastic-safe pipe dope. Do not over-tighten the NPT joint, as excessive torque on tapered plastic threads can cause stress cracking over time. Turn hand-tight plus 1 to 2 turns with a suitable wrench.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e","brand":"AQMATIC","offers":[{"title":"Default Title","offer_id":43726274298051,"sku":"11275000137 | 2001007177","price":36.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/3227\/4627\/files\/k521p2_7e03de90-678f-4323-9ef8-82a0f2ad73fe.jpg?v=1781608821","url":"https:\/\/www.gapswater.co.uk\/products\/aquamatic-k521-p-1inch-npt-threaded-adaptor-pair-part-1070227","provider":"GAPS Water Treatment","version":"1.0","type":"link"}