{"product_id":"rinnai-high-efficiency-natural-gas-tankless-water-heater-endless-hot-water","title":"Rinnai CX199iN High Efficiency Plus Tankless Water Heater - Commercial","description":"\u003cp\u003eIn this review of the Rinnai CX199iN the bottom line is straightforward: it is aimed at commercial and large-multiunit installs that need dependable on-demand hot water and very low operating losses. The reviewer found the single biggest reason to buy is the model's combination of a compact condensing design with a 97% thermal efficiency rating, which translates to meaningful energy savings in heavy-use settings. Installation flexibility and Smart Connect monitoring also stand out as practical advantages for facilities that require centralized management.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh thermal efficiency:\u003c\/strong\u003e The 97% thermal efficiency reduces fuel consumption and lowers operating costs in demanding commercial applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall indoors or outdoors:\u003c\/strong\u003e Versa Vent compatibility plus the RX-OVC vent cap option allow installers to place the unit indoors or outdoors to suit site constraints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Sense gas control:\u003c\/strong\u003e Automatic adjustment for natural gas or propane simplifies fuel supply changes without manual conversion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Connect monitoring:\u003c\/strong\u003e Bluetooth setup with the Rinnai Central App lets technicians manage, monitor, and troubleshoot remotely from a smartphone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecirculation-ready:\u003c\/strong\u003e An optional internal pump kit supports Smart Circ Intelligent Recirculation to improve hot water availability and reduce waste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance features:\u003c\/strong\u003e Quick flush capability makes routine descaling and service faster for busy maintenance teams.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe CX199iN is best for commercial operators, multifamily property managers, restaurants, or large households that need up to 11 GPM of continuous hot water while minimizing fuel costs. Its high efficiency and app-based controls are well suited to facilities looking to lower operating expenses and simplify remote diagnostics.\u003c\/p\u003e\n\u003cp\u003eCustomers who need a simple residential point-of-use heater or who prefer a non-condensing, lower-complexity unit should look elsewhere, since this condensing, app-enabled model is optimized for professional installation and commercial maintenance regimes.\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\u003eExcellent 97% thermal efficiency reduces fuel use and operating cost in heavy-use settings.\u003c\/li\u003e\n\u003cli\u003eVersatile installation options for indoor or outdoor placement when paired with the correct vent cap and venting kit.\u003c\/li\u003e\n\u003cli\u003eSmart Connect and the Rinnai Central App enable convenient setup and remote troubleshooting.\u003c\/li\u003e\n\u003cli\u003eOptional recirculation pump support improves hot water delivery and reduces wait times.\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 recommended, so DIY customers may face higher upfront labor costs.\u003c\/li\u003e\n\u003cli\u003eOutdoor installs require the RX-OVC vent cap, adding an extra required component for exterior applications.\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\u003eCX199iN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel type\u003c\/td\u003e\n\u003ctd\u003eNatural gas or propane (Smart Sense adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e97% thermal efficiency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 11 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eIndoor or outdoor with RX-OVC vent cap for outdoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eSmart Connect via Bluetooth, Rinnai Central App\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional add-ons\u003c\/td\u003e\n\u003ctd\u003eInternal pump kit for Smart Circ recirculation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Rinnai CX199iN is a solid choice for commercial and multiunit installations that prioritize long-term operating savings and centralized control. Its high 97% efficiency, Smart Sense fuel flexibility, and app-based management make it good value where professional installation and ongoing maintenance are acceptable. For smaller residential needs a simpler or lower-capacity unit may be more cost effective.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit run on propane?\u003c\/strong\u003e\u003cbr\u003eYes, the Smart Sense gas valve automatically accommodates natural gas or propane without requiring a conversion kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs outdoor installation supported?\u003c\/strong\u003e\u003cbr\u003eYes, outdoor installation is possible but requires the RX-OVC vent cap and proper Versa Vent setup for exterior placement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support recirculation?\u003c\/strong\u003e\u003cbr\u003eIt supports Smart Circ Intelligent Recirculation when fitted with the optional internal pump kit sold separately.\u003c\/p\u003e","brand":"Rinnai","offers":[{"title":"Default Title","offer_id":46753107017947,"sku":"B0CM4K13DG","price":1582.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/11ZSizl1-CL._AC.jpg?v=1747587226","url":"https:\/\/gearmusthave.com\/products\/rinnai-high-efficiency-natural-gas-tankless-water-heater-endless-hot-water","provider":"GearMustHave","version":"1.0","type":"link"}