{"product_id":"rinnai-condensing-vent-extension-pipe-2-x-4-19-5-in-concentric","title":"Rinnai Condensing Vent Extension Pipe 2\" x 4\" 19.5 in Concentric","description":"\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai Condensing Vent Extension Pipe 2\" x 4\" 19.5 in Concentric 229309NPP\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRinnai 229309NPP\u003c\/strong\u003e is a 2-inch \/ 4-inch (60\/100 mm) concentric condensing vent pipe extension measuring 19.5 inches in length. This component features a nested design with a 2-inch inner exhaust pipe and a 4-inch outer combustion air intake pipe, allowing for single-penetration installation through a wall or roof.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for high-efficiency condensing appliances, the inner exhaust pipe is constructed of corrosion-resistant polypropylene (PPs) to withstand acidic condensate. This extension is ideal for increasing the reach of a vent run in residential and commercial installations.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" \/ 4\" Concentric Vent Design\u003c\/strong\u003e – Inner exhaust and outer intake in one pipe assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19.5-Inch Extension Length\u003c\/strong\u003e – Extends vent runs for flexible installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolypropylene (PPs) Exhaust Pipe\u003c\/strong\u003e – Corrosion-resistant and rated for condensing appliances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Penetration Installation\u003c\/strong\u003e – Ideal for wall or roof terminations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnap-Fit Connections\u003c\/strong\u003e – No glue or curing time required\u003c\/li\u003e\n\u003cli\u003eApproved for Category IV gas appliance venting\u003c\/li\u003e\n\u003cli\u003eCompatible with Rinnai SENSEI™, RU, RUR series tankless water heaters\u003c\/li\u003e\n\u003cli\u003eCompatible with Rinnai M-Series and I-Series condensing boilers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose the Rinnai 229309NPP Vent Extension\u003c\/h3\u003e\n\u003cp\u003eThis concentric vent extension provides a clean and efficient venting solution for condensing gas appliances. Its nested intake and exhaust design reduces installation complexity by requiring only a single wall or roof penetration. With durable polypropylene construction and gasketed snap-fit joints, the Rinnai 229309NPP ensures a secure, code-compliant, and professional-grade venting installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/hvacstore.com\/collections\/rinnai-parts\"\u003eView More Rinnai Parts\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai Condensing Vent Extension Pipe 2\" x 4\" 19.5 in Concentric 229309NPP\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; text-align: center;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eRinnai\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eSKU\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e229309NPP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eConcentric Vent Pipe Extension\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eLength\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e19.5 Inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eInner Diameter (Exhaust)\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e2 Inches (60 mm)\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eOuter Diameter (Intake)\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e4 Inches (100 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eMaterial (Exhaust)\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003ePolypropylene (PPs)\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eVenting Category\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eCategory IV (Condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e8713645214344\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eConnection Type\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eSnap-Fit (No Glue Required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd colspan=\"3\" style=\"height: 50px;\"\u003eResidential \u0026amp; Commercial Condensing Gas Appliances\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Rinnai","offers":[{"title":"Default Title","offer_id":50808902156592,"sku":"229309NPP","price":51.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/1494\/6352\/files\/Rinnai_229309NPP.webp?v=1772606553","url":"https:\/\/hvacstore.com\/products\/rinnai-condensing-vent-extension-pipe-2-x-4-19-5-in-concentric","provider":"HVAC Store","version":"1.0","type":"link"}