{"product_id":"a-o-smith-100374812-condensing-tankless-water-heater-199k-btu","title":"A.o. Smith 100374812 Condensing Tankless Water Heater 199K Btu","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe A.O. SMITH 100374812 is a premium condensing natural gas tankless water heater rated at 199,000 BTU\/h input with a maximum flow rate of 10.5 gallons per minute. Part of the Adapt line, it delivers on-demand hot water without a storage tank, making it well suited for high-demand residential applications. The unit incorporates X3 Scale Prevention Technology, which protects the heat exchanger from mineral buildup and can extend heat exchanger service life by up to 300 percent compared to an unprotected unit. A Uniform Energy Factor of 0.95 and ENERGY STAR certification confirm efficient operation. Licensed plumbers and HVAC technicians typically supply and install this unit.\u003c\/p\u003e\n\u003cp\u003eThis tankless water heater is designed for residential installation where high hot-water demand and space efficiency are priorities. The unit operates on natural gas and is field convertible to liquid propane using an included conversion kit. It can be installed indoors or outdoors; an Outdoor Vent Cap Kit is available separately. A built-in control display allows setting and reviewing up to two recirculating schedules and checking heater status and error codes. Optional remote management kits, sold separately, allow temperature adjustment and recirculation pump activation from a remote location. The unit complies with Ultra-Low NOx regulations, making it appropriate for air-quality-regulated jurisdictions.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e199,000 BTU\/h input rating delivers up to 10.5 GPM maximum flow rate\u003c\/li\u003e\n  \u003cli\u003eX3 Scale Prevention Technology protects heat exchanger from mineral deposits\u003c\/li\u003e\n  \u003cli\u003eENERGY STAR certified with a Uniform Energy Factor of 0.95\u003c\/li\u003e\n  \u003cli\u003eField convertible from natural gas to liquid propane with included kit\u003c\/li\u003e\n  \u003cli\u003eBuilt-in control display supports up to two recirculating schedules and error code review\u003c\/li\u003e\n  \u003cli\u003eCompliant with Ultra-Low NOx regulations for restricted-emission regions\u003c\/li\u003e\n  \u003cli\u003eSuitable for indoor or outdoor installation with optional vent cap kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an on-demand replacement or new-installation condensing tankless water heater for residential natural gas or liquid propane systems requiring up to 199,000 BTU\/h input capacity and up to 10.5 GPM flow rate.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation must be performed by a licensed plumber or qualified technician in accordance with local plumbing codes and the manufacturer instructions. Shut off the gas supply and disconnect electrical power before making any connections. The unit requires a 120-volt power source and proper venting sized to the manufacturer specifications; verify vent material compatibility before installation. Do not operate on fuel types other than those specified without completing the included field conversion procedure.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBTU Input\u003c\/strong\u003e: 199,000 BTU\/h\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Flow Rate\u003c\/strong\u003e: 10.5 GPM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 120 volts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniform Energy Factor (UEF)\u003c\/strong\u003e: 0.95\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Type\u003c\/strong\u003e: Natural Gas (field convertible to Liquid Propane)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 41.8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 16.53 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 120 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: 15 Years\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 671657288594\u003c\/li\u003e\n\u003c\/ul\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: 100374812\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TAILWIND","offers":[{"title":"Default Title","offer_id":51150097219890,"sku":"100374812","price":2494.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/smiathr199x3.jpg?v=1778605967","url":"https:\/\/voomisupply.com\/products\/a-o-smith-100374812-condensing-tankless-water-heater-199k-btu","provider":"Voomi Supply","version":"1.0","type":"link"}