{"product_id":"endless-hot-water-rinnai-cu160in-gas-tankless-heater","title":"Rinnai CU160iN Commercial Natural Gas Condensing Tankless Water Heater","description":"\u003cp\u003eIn this review of the Rinnai CU160iN commercial tankless water heater, the bottom line is simple: this unit is aimed at businesses that need a reliable, compact source of continuous hot water and want to reduce standby energy loss. Installers and facility managers will appreciate the combination of a high-performance \u003cstrong\u003e9 GPM\u003c\/strong\u003e flow rate and a condensing design that focuses on efficiency. The review finds the CU160iN best for commercial sites where steady demand and installation flexibility matter, and where a qualified technician will perform a professional installation.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy efficient condensing:\u003c\/strong\u003e The condensing design captures additional heat from exhaust gases so the heater uses less fuel over time and lowers operating costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh hot water flow:\u003c\/strong\u003e The 9 GPM rating provides a powerful and consistent stream suitable for busy kitchens, showers, or multi-sink applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCirc-Logic recirculation:\u003c\/strong\u003e Built-in recirculation patterns align with regular usage to reduce waiting time and water waste when combined with recirculation loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation flexibility:\u003c\/strong\u003e Multiple venting options make indoor installation adaptable to different commercial layouts and existing vent routes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi monitoring:\u003c\/strong\u003e Remote monitoring gives service teams visibility and helps deliver hot water on demand while supporting preventive maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial warranty:\u003c\/strong\u003e Layered coverage (heat exchanger, parts, labor) offers multi-year protection for business use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe CU160iN is best for restaurants, apartment common areas, small laundries, schools, and other commercial settings that require sustained hot water flow without a bulky storage tank. Facilities with recurring peaks in demand will benefit from the unit's 9 GPM capacity and recirculation features.\u003c\/p\u003e\n\u003cp\u003eIt is not intended for do-it-yourself installation; Rinnai recommends professional installation, so operations without access to certified technicians or with extremely low upfront budgets should consider other options. Sites needing elaborate multi-unit cascade setups should consult a pro to verify system sizing.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh 9 GPM output supplies continuous hot water for demanding commercial use.\u003c\/li\u003e\n\u003cli\u003eCondensing technology improves fuel efficiency and lowers operating costs.\u003c\/li\u003e\n\u003cli\u003eCirc-Logic and Wi-Fi monitoring support responsive recirculation and remote oversight.\u003c\/li\u003e\n\u003cli\u003eMultiple venting options allow flexible indoor installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation is required, adding to initial cost and scheduling complexity.\u003c\/li\u003e\n\u003cli\u003eAs a commercial unit, it may be overbuilt for very small single-residence needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eCU160iN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eNatural gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eIndoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e9 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eCondensing tankless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty (commercial)\u003c\/td\u003e\n\u003ctd\u003e8-, 5-, and 1-year for heat exchanger, parts, labor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Rinnai CU160iN is a solid commercial tankless choice for businesses that need reliable, high-flow hot water and value improved efficiency from condensing technology. With smart recirculation and remote monitoring, it delivers good long-term value when installed by a qualified technician, though upfront installation costs should be planned for.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit be installed indoors?\u003c\/strong\u003e\u003cbr\u003eYes, the CU160iN is designed for indoor installation and offers multiple venting options to suit different building layouts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs professional installation required?\u003c\/strong\u003e\u003cbr\u003eRinnai recommends professional installation; locating a Rinnai PRO technician ensures correct venting, gas supply, and warranty compliance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty coverage comes with the unit?\u003c\/strong\u003e\u003cbr\u003eThe commercial warranty provides 8 years on the heat exchanger, 5 years on parts, and 1 year on labor.\u003c\/p\u003e","brand":"Rinnai","offers":[{"title":"Default Title","offer_id":46763699372251,"sku":"B07CVQG21V","price":1530.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/610nm6LVx8L._AC_SL1500.jpg?v=1747588138","url":"https:\/\/gearmusthave.com\/products\/endless-hot-water-rinnai-cu160in-gas-tankless-heater","provider":"GearMustHave","version":"1.0","type":"link"}