{"product_id":"rinnai-398k-btu-hybrid-water-heating-system-natural-gas-h-series-ultra-low-nox","title":"Rinnai 398K BTU Hybrid Water Heating System Natural Gas H-Series Ultra Low NOx","description":"\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai 398K BTU 79\" Natural Gas H-Series Hybrid Water Heating System ASME Ultra Low NOx CHS398100HCXVAiN\u003c\/h3\u003e\n\n\u003cp\u003eThe Rinnai Demand Duo H-Series ASME Vertical (CHS-HCX2VA) is a premier commercial water heating solution engineered for large-scale facilities requiring ASME-certified storage.\u003c\/p\u003e\n\n\u003cp\u003eThis 398,000 BTU Natural Gas system features two vertically stacked tankless engines to provide built-in redundancy, ensuring a constant supply of hot water in high-demand environments. Combined with a 119-gallon ASME storage tank, Rinnai’s advanced hybrid technology delivers an ultra-high 0.98 UEF and significantly longer service life than traditional high-efficiency tanks.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Note:\u003c\/strong\u003e\u003cbr\u003e\nInstallation, 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.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASME Certified Tank:\u003c\/strong\u003e Meets rigorous commercial building codes and pressure vessel standards for high-occupancy buildings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVertical Redundancy:\u003c\/strong\u003e Dual vertically stacked engines deliver backup protection to eliminate downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Efficiency:\u003c\/strong\u003e 0.98 Uniform Energy Factor (UEF) for maximum fuel savings in heavy-use applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSCAQMD Approved:\u003c\/strong\u003e Ultra Low NOx technology meets stringent environmental regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003e\n\u003ca href=\"https:\/\/hvacstore.com\/collections\/commercial-hybrid-water-heating-system\"\u003e\nView More Commercial Hybrid Water Heating Systems\n\u003c\/a\u003e\n\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai 398K BTU 79\" Natural Gas H-Series Hybrid Water Heating System ASME Ultra Low NOx CHS398100HCXVAiN\u003c\/h3\u003e\n\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;\"\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRinnai\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold;\"\u003eModel\u003c\/td\u003e\n\u003ctd\u003eCHS398100HCXVAiN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold;\"\u003eBTU Max\u003c\/td\u003e\n\u003ctd\u003e398,000 BTU\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold;\"\u003eTank Capacity\u003c\/td\u003e\n\u003ctd\u003e119 Gallons (ASME)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold;\"\u003eProduct Height\u003c\/td\u003e\n\u003ctd\u003e79.00 in\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold;\"\u003eProduct Width\u003c\/td\u003e\n\u003ctd\u003e33.00 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold;\"\u003eUEF\u003c\/td\u003e\n\u003ctd\u003e0.98\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold;\"\u003eElectrical Voltage\u003c\/td\u003e\n\u003ctd\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai 398K BTU 79\" Natural Gas H-Series Hybrid Water Heating System ASME Ultra Low NOx CHS398100HCXVAiN\u003c\/h3\u003e\n\n\u003ctable border=\"1\" style=\"width: 100%; text-align: center; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold;\"\u003eWarranty Type\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold;\"\u003eTank\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold;\"\u003eParts\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold;\"\u003eLabor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Commercial\u003c\/td\u003e\n\u003ctd\u003e6 Years\u003c\/td\u003e\n\u003ctd\u003e5 Years\u003c\/td\u003e\n\u003ctd\u003e1 Year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai 398K BTU 79\" Natural Gas H-Series Hybrid Water Heating System ASME Ultra Low NOx CHS398100HCXVAiN\u003c\/h3\u003e\n\n\u003cp\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/1494\/6352\/files\/CHS398100HCXVAiN_specs.pdf?v=1772568240\"\u003e\n\u003cstrong\u003eSpecification Sheet\u003c\/strong\u003e\n\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/1494\/6352\/files\/CHS398100HCXVAiN_warranty.pdf?v=1772568242\"\u003e\n\u003cstrong\u003eWarranty Document\u003c\/strong\u003e\n\u003c\/a\u003e\n\u003c\/p\u003e","brand":"Rinnai","offers":[{"title":"Default Title","offer_id":50796393988400,"sku":"CHS398100HCXVAiN","price":19800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/1494\/6352\/files\/Rinnai_CHS398100HCXVAiN.webp?v=1772594735","url":"https:\/\/hvacstore.com\/products\/rinnai-398k-btu-hybrid-water-heating-system-natural-gas-h-series-ultra-low-nox","provider":"HVAC Store","version":"1.0","type":"link"}