{"product_id":"a-o-smith-ato-540p-n-tankless-water-heater-199-000-btu","title":"A.O. Smith ATO-540P-N Tankless Water Heater 199,000 BTU","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe A.O. SMITH ATO-540P-N outdoor tankless water heater uses up to 199,000 BTU\/hr of natural gas to deliver an endless supply of hot water. The 540P series integrates a recirculation pump to provide instant hot water in residential applications with dedicated recirculation lines. It is built with commercial grade materials like marine-grade 316L stainless steel giving it an industry-leading warranty.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eENERGY STAR certified\u003c\/li\u003e\n  \u003cli\u003eContinuous flow rate up to 10.0 GPM\u003c\/li\u003e\n  \u003cli\u003eIntegrated recirculation pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eThis condensing tankless water heater provides endless hot water while being environmentally friendly. It includes a wall mount temperature remote controller and advanced diagnostics to simplify 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: ATO-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: Outdoor 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\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\u003eEnergy Factor\u003c\/strong\u003e: 0.95\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\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\u003eBTU (Max)\u003c\/strong\u003e: 190000\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: Outdoor (No Venting)\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: 0.95\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\u003eDestination Country\u003c\/strong\u003e: US\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eENERGY STAR\r Certified\u003c\/strong\u003e: Yes\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\u003eProduct Tier\u003c\/strong\u003e: ProLine\r XE\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: ATO-540P-N\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: ATO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBTU Input\u003c\/strong\u003e: 199,000\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\u003eSpecial Feature\u003c\/strong\u003e: Overheat Protection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWattage\u003c\/strong\u003e: 195.6 watts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax. Amps\u003c\/strong\u003e: 5.0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax. Input Rate for Gas Products (Btu\/hr)\u003c\/strong\u003e: 199000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Gallons Per Minute\u003c\/strong\u003e: 5.8 (High-Usage)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDraw Pattern (Intended Usage)\u003c\/strong\u003e: High-Usage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTherms\/year for Natural Gas\u003c\/strong\u003e: 178\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVent Size 1 (inches)\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Heater Depth (inches)\u003c\/strong\u003e: 11.0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Heater Height (inches)\u003c\/strong\u003e: 22.0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Heater Width (inches)\u003c\/strong\u003e: 18.0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eENERGY STAR Unique ID\u003c\/strong\u003e: 2408683\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"A.O. SMITH","offers":[{"title":"Default Title","offer_id":51108738793778,"sku":"ATO-540P-N","price":1801.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/303601954.jpg?v=1777394745","url":"https:\/\/voomisupply.com\/products\/a-o-smith-ato-540p-n-tankless-water-heater-199-000-btu","provider":"Voomi Supply","version":"1.0","type":"link"}