{"product_id":"rinnai-vent-adapter-2-x-4-condensing-vertical-starter-227412npp","title":"Rinnai Vent Adapter 2\" x 4\" Condensing Vertical Starter 227412NPP","description":"\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai Vent Adapter 2\" x 4\" Condensing Vertical Starter 227412NPP\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRinnai 227412NPP\u003c\/strong\u003e is a 2-inch \/ 4-inch (60\/100 mm) condensing vertical starter adapter designed to initiate a vertical (roof) vent run for a single high-efficiency tankless water heater or condensing boiler. This concentric vent component features a pipe-within-a-pipe design, allowing both exhaust discharge and combustion air intake through a single roof penetration for a clean, sealed installation.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentric Vent Design\u003c\/strong\u003e – 2\" inner exhaust pipe with 4\" outer air intake for single-penetration vertical venting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVertical Starter Adapter\u003c\/strong\u003e – Designed specifically for roof discharge applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Polypropylene (PPs)\u003c\/strong\u003e – Corrosion-resistant material ideal for acidic condensate from high-efficiency appliances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Unit Installation\u003c\/strong\u003e – Not for common venting; intended for individual sealed combustion systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnap-Fit Connections\u003c\/strong\u003e – Gasketed joints require no glue or solvents for fast installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Alternative to PVC\u003c\/strong\u003e – Reduced risk of stress fractures and cleaner appearance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose the Rinnai 227412NPP Vertical Starter Adapter\u003c\/h3\u003e\n\u003cp\u003eThis concentric vertical starter adapter provides a reliable and code-compliant solution for beginning a vertical vent system on Rinnai condensing tankless water heaters and boilers. Its polypropylene construction resists corrosion from condensate, while the snap-fit connection system ensures a secure, airtight seal without curing time. Ideal for professional residential and light commercial installations requiring sealed combustion through a single roof penetration.\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 Vent Adapter 2\" x 4\" Condensing Vertical Starter 227412NPP\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;\"\u003e227412NPP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eVent Type\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eConcentric Vertical (Sealed Combustion)\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eDiameter\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e2\" Inner \/ 4\" Outer (60\/100 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003ePolypropylene (PPs)\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e8713645214368\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 style=\"height: 50px;\"\u003eSingle Tankless Water Heater or Boiler\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eInstallation\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eSnap-Fit, No Glue Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Rinnai","offers":[{"title":"Default Title","offer_id":50808902189360,"sku":"227412NPP","price":64.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/1494\/6352\/files\/Rinnai_227412NPP.webp?v=1772796564","url":"https:\/\/hvacstore.com\/products\/rinnai-vent-adapter-2-x-4-condensing-vertical-starter-227412npp","provider":"HVAC Store","version":"1.0","type":"link"}