{"product_id":"rinnai-398k-btu-natural-gas-h-series-hybrid-water-heating-system-ultra-low-nox","title":"Rinnai 398K BTU Natural Gas H-Series Hybrid Water Heating System Ultra Low NOx","description":"\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai 398K BTU Natural Gas H-Series Hybrid Water Heating System Ultra Low NOx CHS398100HCXiN\u003c\/h3\u003e\n\u003cp\u003eThe Rinnai Demand Duo H-Series (CHS-HCX2) provides a high-performance, high-efficiency water heating solution designed to maximize uptime and reduce total cost of ownership. This 398,000 BTU Natural Gas system features vertically stacked tankless engines that deliver built-in redundancy, eliminating \"no hot water\" events that can impact business profitability. With a 119-gallon storage tank and Rinnai’s advanced hybrid technology, this system offers a significantly longer service life than traditional high-efficiency tanks while saving valuable commercial floor space.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Note:\u003c\/strong\u003e\u003cbr\u003eInstallation, commissioning, and servicing of this heating equipment must be performed by a licensed and qualified professional in strict compliance with manufacturer guidelines, local codes, and industry standards. The manufacturer does not accept warranty claims or technical support inquiries from homeowners or unlicensed individuals. All warranty and technical inquiries must be initiated by the licensed professional responsible for installation.\u003c\/p\u003e\n\u003ch3\u003eProduct Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Engine Redundancy\u003c\/strong\u003e: Vertically stacked engines ensure consistent hot water delivery even during maintenance or peak demand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Efficiency\u003c\/strong\u003e: Features a 0.98 Uniform Energy Factor (UEF) to drastically reduce operational fuel costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving Design\u003c\/strong\u003e: Engineered to provide high-volume output while maintaining a compact footprint for crowded mechanical rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Grade Durability\u003c\/strong\u003e: Built to provide up to twice the lifespan of standard commercial high-efficiency storage tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/hvacstore.com\/collections\/commercial-hybrid-water-heating-system\"\u003eView More Commercial Hybrid Water Heating Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai 398K BTU Natural Gas H-Series Hybrid Water Heating System Ultra Low NOx CHS398100HCXiN\u003c\/h3\u003e\n\u003ctable border=\"1\" style=\"border-collapse: collapse; width: 100%; text-align: center;\"\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;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eCHS398100HCXiN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eBTU Max\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e398,000 BTU\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eTank Capacity\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e119 Gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eProduct Height\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e68.00 inch\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eProduct Width\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e41.00 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eUEF\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e0.98\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eElectrical Voltage\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai 398K BTU Natural Gas H-Series Hybrid Water Heating System Ultra Low NOx CHS398100HCXiN\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; text-align: center; border: 1px solid black; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px; border: 1px solid black;\"\u003eWarranty Type\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px; border: 1px solid black;\"\u003eTank\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px; border: 1px solid black;\"\u003eParts\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px; border: 1px solid black;\"\u003eLabor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"height: 50px; border: 1px solid black;\"\u003eStandard For Commercial\u003c\/td\u003e\n\u003ctd style=\"height: 50px; border: 1px solid black;\"\u003e6 Years\u003c\/td\u003e\n\u003ctd style=\"height: 50px; border: 1px solid black;\"\u003e5 Years\u003c\/td\u003e\n\u003ctd style=\"height: 50px; border: 1px solid black;\"\u003e1 Year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai 398K BTU Natural Gas H-Series Hybrid Water Heating System Ultra Low NOx CHS398100HCXiN\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/1494\/6352\/files\/CHS398100HCXiN_specs.pdf?v=1772568128\" target=\"_blank\"\u003e\u003cstrong\u003eSpecification Sheet\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/1494\/6352\/files\/CHS398100HCXiN_warranty.pdf?v=1772568130\" target=\"_blank\"\u003e\u003cstrong\u003eWarranty Document\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Rinnai","offers":[{"title":"Default Title","offer_id":50796393857328,"sku":"CHS398100HCXiN","price":17625.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/1494\/6352\/files\/Rinnai_CHS398100HCXiN.webp?v=1772594663","url":"https:\/\/hvacstore.com\/products\/rinnai-398k-btu-natural-gas-h-series-hybrid-water-heating-system-ultra-low-nox","provider":"HVAC Store","version":"1.0","type":"link"}