{"product_id":"a-o-smith-ati-540p-n-tankless-natural-gas-water-heater-199-000-btu-with-integrated-recirc-pump","title":"A.O. Smith ATI-540P-N Tankless Natural Gas Water Heater 199,000 BTU with Integrated Recirc. Pump","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe A.O. SMITH ATI-540P-N is a tankless natural gas water heater using up to 199,000 BTU\/hr to deliver an endless supply of hot water. It integrates a recirculation pump for instant hot water in residential applications. Built with commercial grade materials like marine-grade 316L stainless steel, it comes with an industry-leading warranty.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContinuous flow rate up to 10.0 GPM\u003c\/li\u003e\n  \u003cli\u003eIntegrated recirculation pump\u003c\/li\u003e\n  \u003cli\u003ePrimary commercial-grade copper heat exchanger stabilizes outgoing water temperatures quicker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eThis high-efficiency, condensing Ultra-Low NOx tankless water heater provides endless hot water while being environmentally friendly. It features integrated temperature controls and advanced diagnostics for simplified troubleshooting.\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-540P-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 Heater\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Type\u003c\/strong\u003e: Indoor Only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Condensing\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\u003eFuel Type\u003c\/strong\u003e: Natural Gas\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Factor\u003c\/strong\u003e: 0.93\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Connection\u003c\/strong\u003e: 3\/4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Connection\u003c\/strong\u003e: 3\/4\"\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\u003eInlet Gas Pressure\u003c\/strong\u003e: 4.0-10.5\"W.C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDepth (Inches)\u003c\/strong\u003e: 11-1\/4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight (Inches)\u003c\/strong\u003e: 23.625\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth (Inches)\u003c\/strong\u003e: 17-3\/4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBTU (Max)\u003c\/strong\u003e: 199000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBTU (Min)\u003c\/strong\u003e: 15000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVent Type\u003c\/strong\u003e: Direct Vent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Residential\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e: Pump\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rate at 40F Temp Rise (GPM)\u003c\/strong\u003e: 9.5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rate at 50F Temp Rise (GPM)\u003c\/strong\u003e: 7.5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rate at 60F Temp Rise (GPM)\u003c\/strong\u003e: 6.3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rate at 70F Temp Rise (GPM)\u003c\/strong\u003e: 5.4\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\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\u003eSide Loop\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN\u003c\/strong\u003e: 100281161\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: AO Smith\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: ATI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Heater Type\u003c\/strong\u003e: Residential\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVenting\u003c\/strong\u003e: Power Direct Vent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVenting Type\u003c\/strong\u003e: Power Direct Vent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Star\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 17-3\/4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 23-5\/8\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDepth\u003c\/strong\u003e: 11-1\/4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Size\u003c\/strong\u003e: 3\/4\"\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: 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: 4.9 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\u003eFrequency\u003c\/strong\u003e: 60 Hertz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIgnition Type\u003c\/strong\u003e: Electric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax BTU Input\u003c\/strong\u003e: 199000\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, NSF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCollection\u003c\/strong\u003e: ProLine\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\u003eUniform Energy Factor\u003c\/strong\u003e: 0.95\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"A.O. SMITH","offers":[{"title":"Default Title","offer_id":51108596384050,"sku":"ATI-540P-N","price":1751.35,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/303601978.jpg?v=1777391792","url":"https:\/\/voomisupply.com\/products\/a-o-smith-ati-540p-n-tankless-natural-gas-water-heater-199-000-btu-with-integrated-recirc-pump","provider":"Voomi Supply","version":"1.0","type":"link"}