{"product_id":"navien-npe-240s2-condensing-tankless-water-heater-199-900-btu-for-residential-and-commercial-use","title":"Navien NPE-240S2 Condensing Tankless Water Heater 199,900 BTU for Residential and Commercial Use","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"21\" data-end=\"474\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe Navien NPE-240S2 is a high-efficiency condensing tankless water heater engineered to deliver continuous hot water for residential and light commercial applications. The Navien NPE-240S2 features a maximum heating capacity of 199,900 BTU\/hr, dual fuel compatibility, and advanced condensing technology to provide reliable hot water while maximizing energy efficiency.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNavien\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNPE-240S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTankless Water Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNPE-S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCondensing Tankless Water Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eResidential and Light Commercial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Heating Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e199,900 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.1 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUniform Energy Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuel Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural Gas or Liquid Propane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForced Draft Direct Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVent Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 in. or 3 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGas Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/2 in. NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4 in. NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIgnition Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall-Hung or Rack Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeat Exchanger\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless Steel Condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 73 lb (33.1 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About NPE-240S2\u003c\/h4\u003e\n\u003cp data-start=\"410\" data-end=\"1127\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe NPE-240S2 is part of the Navien NPE-S2 Series of condensing tankless water heaters developed for high-demand domestic hot water systems. Its compact wall-mounted design incorporates a stainless steel dual heat exchanger, electronic ignition, and forced draft direct venting to ensure dependable and efficient operation. The unit operates with either natural gas or liquid propane, making it suitable for residential homes, apartments, multifamily buildings, and light commercial facilities. Designed with Navien's advanced control technology, the heater provides consistent water temperature, simplified installation, and compatibility with optional external recirculation systems for improved hot water delivery.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"1067\" data-end=\"1088\"\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1146\" data-end=\"1947\"\u003e\n\u003cli data-start=\"1146\" data-end=\"1237\"\u003eHigh Heating Capacity: Delivers up to 199,900 BTU\/hr for continuous hot water production.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1238\" data-end=\"1352\"\u003eCondensing Technology: Utilizes a high-efficiency stainless steel heat exchanger to maximize energy utilization.\u003c\/li\u003e\n\u003cli data-start=\"1353\" data-end=\"1454\"\u003eHigh Flow Rate: Produces up to 10.1 gallons per minute for multiple simultaneous hot water demands.\u003c\/li\u003e\n\u003cli data-start=\"1455\" data-end=\"1543\"\u003eDual Fuel Compatibility: Configurable for natural gas or liquid propane installations.\u003c\/li\u003e\n\u003cli data-start=\"1544\" data-end=\"1642\"\u003eElectronic Ignition: Provides reliable burner startup while reducing standby energy consumption.\u003c\/li\u003e\n\u003cli data-start=\"1643\" data-end=\"1742\"\u003eDirect Vent Design: Supports 2-inch and 3-inch forced draft venting for installation flexibility.\u003c\/li\u003e\n\u003cli data-start=\"1743\" data-end=\"1839\"\u003eWall-Mounted Construction: Saves mechanical room space while allowing convenient installation.\u003c\/li\u003e\n\u003cli data-start=\"1840\" data-end=\"1947\"\u003eAdvanced Temperature Control: Maintains stable outlet water temperature during varying demand conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1949\" data-end=\"2118\"\u003eThe NPE-240S2 delivers the reliability and precision required for continuous, energy-efficient hot water production in residential and light commercial plumbing systems.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":52040400077098,"sku":"NPE-240S2","price":1846.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/2026-07-04_21.34.28.png?v=1783190079","url":"https:\/\/iqelectro.com\/products\/navien-npe-240s2-condensing-tankless-water-heater-199-900-btu-for-residential-and-commercial-use","provider":"IQElectro","version":"1.0","type":"link"}