{"product_id":"a-o-smith-ati-540hx3-n-tankless-water-heater-199-000-btu","title":"A.O. Smith ATI-540HX3-N Tankless Water Heater 199,000 BTU","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe A.O. SMITH ATI-540HX3-N condensing gas tankless water heater features X3 Scale Prevention Technology, lasting three times longer than other tankless models. It delivers continuous hot water while protecting against scale build-up. This heater complies with Ultra-Low NOx regulations and utilizes commercial-grade copper alloy for the heat exchanger tubing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaintains like-new performance for the product's life, unlike tankless models without X3.\u003c\/li\u003e\n  \u003cli\u003eFeatures a primary commercial-grade copper heat exchanger.\u003c\/li\u003e\n  \u003cli\u003eWall-mount design saves valuable space and allows for additional storage and flexibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eThis highly efficient condensing tankless water heater delivers up to .93 Uniform Energy Factor (UEF).\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: A.O. SMITH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: ATI-540HX3-N\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: US\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Tankless Water Heater\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Condensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Type\u003c\/strong\u003e: Natural Gas\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Type\u003c\/strong\u003e: Indoor Only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Connection\u003c\/strong\u003e: 3\/4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Connection\u003c\/strong\u003e: 3\/4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInlet Gas Pressure\u003c\/strong\u003e: 4.0-10.5\"W.C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBTU (Min)\u003c\/strong\u003e: 15000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Input\u003c\/strong\u003e: 15000-199000 BTU\/h\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBTU (Max)\u003c\/strong\u003e: 199000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 120v\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Flow (GPM)\u003c\/strong\u003e: 10\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight (Inches)\u003c\/strong\u003e: 23.625\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDepth (Inches)\u003c\/strong\u003e: 11-1\/4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth (Inches)\u003c\/strong\u003e: 17-3\/4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Factor\u003c\/strong\u003e: 0.93\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVent Type\u003c\/strong\u003e: Power Direct Vent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Residential\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rate at 40F Temp Rise (GPM)\u003c\/strong\u003e: 6.7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rate at 50F Temp Rise (GPM)\u003c\/strong\u003e: 6.1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rate at 60F Temp Rise (GPM)\u003c\/strong\u003e: 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rate at 70F Temp Rise (GPM)\u003c\/strong\u003e: 4.3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUEF\u003c\/strong\u003e: 0.93\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum BTUs\u003c\/strong\u003e: 199,000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Source\u003c\/strong\u003e: GAS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Connection Location\u003c\/strong\u003e: BOTTOM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmissions\u003c\/strong\u003e: Ultra-Low NOx\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASME Certified\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Display\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlue Diameter\u003c\/strong\u003e: 4.00\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Source\u003c\/strong\u003e: NATURAL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGPM (@67 F Temp Rise)\u003c\/strong\u003e: 5.8 GPM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum BTUs\u003c\/strong\u003e: 15,000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActivation GPM\u003c\/strong\u003e: 0.5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDepth (in.)\u003c\/strong\u003e: 11.25\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuct Size\u003c\/strong\u003e: 3\" Round, 4\" Round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight (in.)\u003c\/strong\u003e: 23.625\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Flow Rate\u003c\/strong\u003e: 9.5 GPM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Gas Input\u003c\/strong\u003e: 199000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Flow Rate\u003c\/strong\u003e: 4.8 GPM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Gas Input\u003c\/strong\u003e: 15000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Pressure (Max)\u003c\/strong\u003e: 150 PSI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Pressure (Min)\u003c\/strong\u003e: 15 PSI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth (in.)\u003c\/strong\u003e: 17.75\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Vent\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Type\u003c\/strong\u003e: LCD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeating Technology\u003c\/strong\u003e: Condensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndoor Installation\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Connection Type\u003c\/strong\u003e: NPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAltitude Certification\u003c\/strong\u003e: 10100 ft.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensing\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDefault Temperature\u003c\/strong\u003e: 120 \"0F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Star\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Lead Compliant\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutdoor Approved\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Variation\u003c\/strong\u003e: Whole House Water Heater\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSCAQMD Compliant\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTitle 20 Compliant\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Type\u003c\/strong\u003e: NG Natural Gas\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommercial\/Residential\/Dual\u003c\/strong\u003e: Commercial\/Residential\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensing\/Non Condensing\u003c\/strong\u003e: Condensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rate\u003c\/strong\u003e: 10 gpm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeating Capacity\u003c\/strong\u003e: 199000 Btu\/hr\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIgnition Type\u003c\/strong\u003e: Electronic Spark\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndoor\/Outdoor\u003c\/strong\u003e: Indoor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Rating\u003c\/strong\u003e: 15 to 150 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: ATI-540HX3-N\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra Low NOx\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVent Size\u003c\/strong\u003e: 3\/4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication Type\u003c\/strong\u003e: For Residential\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency\u003c\/strong\u003e: 60 Hertz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eANSI Certification\u003c\/strong\u003e: Z21.10.3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: AHRI, ANSI, CSA\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"A.O. SMITH","offers":[{"title":"Default Title","offer_id":51108699603250,"sku":"ATI-540HX3-N","price":1801.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/303601976.jpg?v=1777393785","url":"https:\/\/voomisupply.com\/products\/a-o-smith-ati-540hx3-n-tankless-water-heater-199-000-btu","provider":"Voomi Supply","version":"1.0","type":"link"}