{"product_id":"rinnai-vent-adapter-2-x-4-condensing-horizontal-starter-229253npp","title":"Rinnai Vent Adapter 2\" x 4\" Condensing Horizontal Starter 229253NPP","description":"\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai Vent Adapter 2\" x 4\" Condensing Horizontal Starter 229253NPP\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRinnai 229253NPP\u003c\/strong\u003e is a 2\/4-inch (60\/100 mm) condensing horizontal venting starter adapter designed to initiate a horizontal vent run for a single high-efficiency condensing tankless water heater or boiler. Its concentric \"pipe-within-a-pipe\" design allows for both exhaust and intake air through a single wall penetration, providing a professional and sealed combustion setup.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentric Design\u003c\/strong\u003e – 2-inch inner exhaust and 4-inch outer air intake for single-penetration venting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e – Inner exhaust made of high-quality polypropylene (PPs) for corrosion resistance and durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Standards\u003c\/strong\u003e – ULC-S636 compliant for Canada and meets Category IV gas appliance venting requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Unit Installation\u003c\/strong\u003e – Not intended for common venting systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnap-Fit Connection\u003c\/strong\u003e – Requires no glues or solvents, allowing immediate use after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Units\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRinnai SENSEI™ Series (RU199i, RU180i, RU160i, RUR199i)\u003c\/li\u003e\n\u003cli\u003eRinnai CU Series Commercial Condensing Tankless Water Heaters\u003c\/li\u003e\n\u003c\/ul\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 Horizontal Starter 229253NPP\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;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e229253NPP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eVent Size\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e2\"\/4\" (60\/100 mm)\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eSingle-unit horizontal venting\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) inner exhaust, plastic outer intake\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e8713645214320\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Rinnai","offers":[{"title":"Default Title","offer_id":50808902517040,"sku":"229253NPP","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/1494\/6352\/files\/Rinnai_229253NPP.webp?v=1772799484","url":"https:\/\/hvacstore.com\/products\/rinnai-vent-adapter-2-x-4-condensing-horizontal-starter-229253npp","provider":"HVAC Store","version":"1.0","type":"link"}