{"title":"Zurn Siphonic Roof Drains","description":"","products":[{"product_id":"zurn-z130s-siphonic-roof-drain-w-dura-coated-cast-iron-drain-body-air-baffle-membrane-flashing-clamp-and-deck-plate","title":"Zurn Z130S - Siphonic Roof Drain W\/Dura-Coated Cast Iron Drain Body + Air Baffle, Membrane Flashing Clamp and Deck Plate","description":"\u003cp data-start=\"263\" data-end=\"602\"\u003eThe \u003cstrong data-start=\"267\" data-end=\"281\"\u003eZurn Z130S\u003c\/strong\u003e is a siphonic roof drain built to maximize water removal using negative pressure flow. It is tailored for large roof areas where rapid drainage, minimized pipe sizing, and clean roof surfaces are crucial. Its design supports efficient conveyance of stormwater with fewer roof penetrations and reduced slope requirements.\u003c\/p\u003e\n\u003cp data-start=\"263\" data-end=\"602\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e*Please submit a quote request below for pricing and availability on this product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"609\" data-end=\"625\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"627\" data-end=\"1094\"\u003e\n\u003cli data-start=\"627\" data-end=\"780\"\u003e\n\u003cp data-start=\"629\" data-end=\"780\"\u003e\u003cstrong data-start=\"629\" data-end=\"653\"\u003eSiphonic Flow Design\u003c\/strong\u003e: Operates under full-bore flow conditions, allowing greater throughput with smaller diameter outlet piping and lower slopes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"781\" data-end=\"925\"\u003e\n\u003cp data-start=\"783\" data-end=\"925\"\u003e\u003cstrong data-start=\"783\" data-end=\"816\"\u003eLarge Open Strainer\/Dome Area\u003c\/strong\u003e: Facilitates rapid water intake without clogging, ensuring the siphon effect is not interrupted by debris.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"926\" data-end=\"1094\"\u003e\n\u003cp data-start=\"928\" data-end=\"1094\"\u003e\u003cstrong data-start=\"928\" data-end=\"975\"\u003eSturdy Construction \u0026amp; Secure Membrane Clamp\u003c\/strong\u003e: Built from durable materials with a reliable flashing clamp to maintain waterproofing integrity around roof membrane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/Zurn-Authentic-3.jpg?v=1762382544\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca name=\"form893309747\" id=\"formAnchor893309747\"\u003e\u003c\/a\u003e \u003cscript src=\"https:\/\/fs28.formsite.com\/include\/form\/embedManager.js?893309747\"\u003e\u003c\/script\u003e \u003cscript\u003e\nEmbedManager.embed({\n\tkey: \"https:\/\/fs28.formsite.com\/res\/showFormEmbed?EParam=m_OmK8apOTCHyJiMJFA5uCGzXdPpv8ZrFzpUCZwnDno\u0026893309747\",\n\twidth: \"100%\"\n});\n\u003c\/script\u003e Downloads:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca name=\"form1795275591\" id=\"formAnchor1795275591\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/z130s.pdf?v=1758374105\"\u003eSpecification Sheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/z130s-ins.pdf?v=1758374106\"\u003eInstallation Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Codes:\u003c\/strong\u003e Z130S-3NH, Z130S-4NH, Z130S-6NH, Z130S-3NL, Z130S-4NL, Z130S-6NL, Z130S-3IP, Z130S-4IP, Z130S-6IP, Z130S-3IC, Z130S-4IC, Z130S-6IC, Z130S-3IG, Z130S-4IG, Z130S-6IG,\u003c\/p\u003e","brand":"Zurn","offers":[{"title":"Default Title","offer_id":44768593903816,"sku":"Z130S","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/Z130S_F_RDR_c89e5776-ca0d-40cd-a0cf-d9a955a09660.avif?v=1758565379"},{"product_id":"zurn-z131s-siphonic-overflow-roof-drain-w-dura-coated-cast-iron-body-air-baffle-membrane-flashing-clamp-and-deck-plate","title":"Zurn Z131S - Siphonic Overflow Roof Drain W\/Dura-Coated Cast Iron Body + Air Baffle, Membrane Flashing Clamp and Deck Plate","description":"\u003cp data-end=\"581\" data-start=\"152\"\u003eThe \u003cstrong data-end=\"170\" data-start=\"156\"\u003eZurn Z131S\u003c\/strong\u003e is an advanced siphonic overflow roof drain designed to move large volumes of stormwater quickly and quietly. Ideal for commercial, institutional, and industrial roofs, it uses negative pressure flow to minimize pipe sizes, reduce the need for slope, and maximize usable building space. With durable materials and built-in protection, the Z131S is engineered for long-term reliability and ease of installation.\u003c\/p\u003e\n\u003cp data-end=\"581\" data-start=\"152\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e*Please submit a quote request below for pricing and availability on this product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"604\" data-start=\"588\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-end=\"1101\" data-start=\"606\"\u003e\n\u003cli data-end=\"753\" data-start=\"606\"\u003e\n\u003cp data-end=\"753\" data-start=\"608\"\u003e\u003cstrong data-end=\"636\" data-start=\"608\"\u003eSiphonic Overflow Design\u003c\/strong\u003e: Creates negative pressure to drive fast, efficient drainage using smaller horizontal piping and fewer downspouts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"938\" data-start=\"754\"\u003e\n\u003cp data-end=\"938\" data-start=\"756\"\u003e\u003cstrong data-end=\"807\" data-start=\"756\"\u003eDurable Dura-Coated Cast Iron Body + Air Baffle\u003c\/strong\u003e: Heavy-duty construction resists corrosion and delivers consistent performance; includes air baffle to maintain siphonic action.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1101\" data-start=\"939\"\u003e\n\u003cp data-end=\"1101\" data-start=\"941\"\u003e\u003cstrong data-end=\"999\" data-start=\"941\"\u003eMembrane Flashing Clamp with Deck Plate \u0026amp; Overflow Dam\u003c\/strong\u003e: Secures the roof membrane and includes external overflow dam to protect against high water levels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/Zurn-Authentic-3.jpg?v=1762382544\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca name=\"form1816453868\" id=\"formAnchor1816453868\"\u003e\u003c\/a\u003e \u003cscript src=\"https:\/\/fs28.formsite.com\/include\/form\/embedManager.js?1816453868\"\u003e\u003c\/script\u003e \u003cscript\u003e\nEmbedManager.embed({\n\tkey: \"https:\/\/fs28.formsite.com\/res\/showFormEmbed?EParam=m_OmK8apOTCHyJiMJFA5uHs8c3NQ4HazFzpUCZwnDno\u00261816453868\",\n\twidth: \"100%\"\n});\n\u003c\/script\u003e Downloads:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca id=\"formAnchor1795275591\" name=\"form1795275591\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/z131s.pdf?v=1758374105\"\u003eSpecification Sheet\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/z130s.pdf?v=1758374105\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/z131s-ins.pdf?v=1758374106\"\u003eInstallation Guide\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/z130s-ins.pdf?v=1758374106\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Codes:\u003c\/strong\u003e Z131S-3NH, Z131S-4NH, Z131S-6NH, Z131S-3NL, Z131S-4NL, Z131S-6NL, Z131S-3IG, Z131S-4IG, Z131S-6IG, Z131S-3IC, Z131S-4IC, Z131S-6IC, Z131S-3IP, Z131S-4IP, Z131S-6IP, Z131S-3NH-C, Z131S-4NH-C, Z131S-6NH-C, Z131S-3NL-C, Z131S-4NL-C, Z131S-6NL-C, Z131S-3NH-E, Z131S-4NH-E, Z131S-6NH-E, Z131S-3NL-E, Z131S-4NL-E, Z131S-6NL-E, Z131S-3NH-EB, Z131S-4NH-EB, Z131S-6NH-EB, Z131S-3NL-EB, Z131S-4NL-EB, Z131S-6NL-EB, Z131S-3NH-VP, Z131S-4NH-VP, Z131S-6NH-VP, Z131S-3NL-VP, Z131S-4NL-VP, Z131S-6NL-VP\u003c\/p\u003e","brand":"Zurn","offers":[{"title":"Default Title","offer_id":44768676741320,"sku":"Z131S","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/Z131S_F_RDR_bba31edc-59ca-4079-bfae-6e467bf2d8e5.avif?v=1758565444"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/collections\/Z131S_F_RDR_bba31edc-59ca-4079-bfae-6e467bf2d8e5.jpg?v=1758582557","url":"https:\/\/www.mainlinematerials.com\/collections\/zurn-siphonic-roof-drains.oembed","provider":"Mainline Materials","version":"1.0","type":"link"}