{"product_id":"b-k-1-2-in-mpt-x-1-2-in-d-mpt-polyethylene-6-in-sprinkler-cut-off-riser","title":"B\u0026K 1\/2 in. MPT X 1\/2 in. D MPT Polyethylene 6 in. Sprinkler Cut-Off Riser","description":"\u003cdiv\u003e\n\u003cp\u003eThe B\u0026amp;K 1\/2 in. MPT X 1\/2 in. D MPT Polyethylene 6 in. Sprinkler Cut-Off Riser is the clean, dependable solution for isolating a sprinkler zone during maintenance or repairs. At 6 inches long, it provides a convenient, accessible shut-off point without disturbing surrounding soil or buried line work.\u003c\/p\u003e \u003cp\u003eBuilt from durable polyethylene, this cut-off riser resists corrosion and chemical exposure common in irrigation environments. With an 80 psi maximum pressure rating and a 140°F maximum temperature, it handles typical residential and light commercial sprinkler systems with ease, delivering reliable performance year after year.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e1\/2\" MPT to 1\/2\" MPT connections\u003c\/strong\u003e match standard irrigation fittings, enabling quick, hassle-free integration into existing lines.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e6-inch length\u003c\/strong\u003e offers easy access for service tools and hands-on maintenance without needing extensive digging.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePolyethylene construction\u003c\/strong\u003e delivers a lightweight, durable alternative to metal risers, reducing corrosion risk and easing installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical performance specs\u003c\/strong\u003e: up to 80 psi and up to 140°F, covering the demands of most home irrigation setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCertification notes\u003c\/strong\u003e: IAPMO certified – No; NSF listed – No. Suitable for standard irrigation tasks where strict certification isn't required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal uses and scenarios\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eZone isolation during routine maintenance or seasonal service without draining the entire system.\u003c\/li\u003e \u003cli\u003eTemporary access point for sprinkler head replacement, valve service, or line repairs.\u003c\/li\u003e \u003cli\u003eSimple upgrade or repair in networks that use 1\/2\" pipe threads, keeping project timelines tight and costs low.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation tips\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eEnsure all threads are clean and dry before assembly. Use an appropriate thread sealant or PTFE tape rated for water connections to prevent leaks.\u003c\/li\u003e \u003cli\u003eHand-tighten first, then snug with a wrench to avoid over-tightening and potential damage to the polyethylene body.\u003c\/li\u003e \u003cli\u003ePressurize the line gradually and inspect for leaks around the threaded connections; re-tighten if necessary.\u003c\/li\u003e \u003cli\u003eStore in a cool, dry place when not in use and shield from prolonged direct sunlight to maximize the life of the polyethylene component.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the B\u0026amp;K 1\/2 in. MPT X 1\/2 in. D MPT Polyethylene 6 in. Sprinkler Cut-Off Riser for a lightweight, reliable, easy-to-install shut-off point that helps you manage sprinkler zones with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"B\u0026K","offers":[{"title":"Default Title","offer_id":52201764552978,"sku":"4000460","price":9.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4000460_A.eps_High.jpg?v=1776380125","url":"https:\/\/nationalhardwaregroup.com\/products\/b-k-1-2-in-mpt-x-1-2-in-d-mpt-polyethylene-6-in-sprinkler-cut-off-riser","provider":"National Hardware Group","version":"1.0","type":"link"}