{"product_id":"rinnai-direct-vent-common-starter-kit-4-polypropylene-790132","title":"Rinnai Direct Vent Common Starter Kit 4\" Polypropylene 790132","description":"\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai Direct Vent Common Starter Kit 4\" Polypropylene 790132\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRinnai 790132\u003c\/strong\u003e is a 4-inch Direct Vent (DV) Common Vent Starter Kit constructed from durable polypropylene (PPs). This component is designed to initiate a shared, sealed combustion venting system for multiple high-efficiency condensing tankless water heaters. It serves as the foundational piece that begins the 4-inch intake and exhaust manifold in multi-unit installations.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Vent (Sealed Combustion)\u003c\/strong\u003e – Draws combustion air from outside the building\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Vent (CVent) Classified\u003c\/strong\u003e – Allows multiple units to share a single intake and exhaust system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Inch Diameter Manifold Starter\u003c\/strong\u003e – Initializes the common vent system for the first unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Polypropylene (PPs)\u003c\/strong\u003e – Corrosion-resistant and certified for acidic condensate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnap-Fit Assembly\u003c\/strong\u003e – Self-locking, gasketed joints require no glue or solvents\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScalable System Design\u003c\/strong\u003e – Supports up to 8 tankless units depending on vent length and BTU capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose the Rinnai 790132 Starter Kit\u003c\/h3\u003e\n\u003cp\u003eThis 4-inch Direct Vent starter kit provides a reliable solution for mid-sized common vent installations. It offers greater capacity than 3-inch systems while remaining more compact than 6-inch configurations. Built from corrosion-resistant polypropylene and designed for sealed combustion applications, it ensures safe, efficient, and code-compliant venting for multi-unit Rinnai tankless water heater systems.\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 Direct Vent Common Starter Kit 4\" Polypropylene 790132\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;\"\u003e790132\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;\"\u003eDirect Vent (Sealed Combustion)\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eSystem Type\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eCommon Vent (CVent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eDiameter\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e4 Inches (Approx. 100 mm)\u003c\/td\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\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;\"\u003eMulti-Unit Tankless Water Heater Venting\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e8713645219813\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Rinnai","offers":[{"title":"Default Title","offer_id":50808902222128,"sku":"790132","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/1494\/6352\/files\/Rinnai_790132.webp?v=1772796976","url":"https:\/\/hvacstore.com\/products\/rinnai-direct-vent-common-starter-kit-4-polypropylene-790132","provider":"HVAC Store","version":"1.0","type":"link"}