{"product_id":"nordyne-intertherm-903418-heat-exchanger","title":"Nordyne Intertherm 903418 Heat Exchanger","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe NORDYNE INTERTHERM 903418 is a replacement heat exchanger designed for use in residential gas furnaces. The heat exchanger is the primary component responsible for transferring combustion heat to the supply air stream while keeping flue gases isolated from conditioned air. It is a direct OEM-style replacement part intended for installation by licensed HVAC technicians servicing NORDYNE INTERTHERM furnace equipment.\u003c\/p\u003e\u003cp\u003eThe 903418 heat exchanger is suited for residential heating applications where the original component has reached the end of its service life or has developed cracks, fatigue damage, or corrosion that compromises system safety. HVAC service professionals install this part during furnace repair calls where heat exchanger failure has been confirmed through visual inspection, combustion analysis, or pressure testing.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOEM-style replacement heat exchanger for NORDYNE INTERTHERM furnaces\u003c\/li\u003e\n\u003cli\u003eDesigned to transfer combustion heat to supply air while isolating flue gases\u003c\/li\u003e\n\u003cli\u003eDirect fit replacement reduces installation time on qualified equipment\u003c\/li\u003e\n\u003cli\u003eBuilt to maintain proper airflow and combustion separation integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement heat exchanger for NORDYNE INTERTHERM residential gas furnaces. Verify the part number against the furnace nameplate or service documentation before installation to confirm fitment.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eHeat exchanger replacement must be performed by a licensed HVAC technician in accordance with local mechanical codes and manufacturer service procedures. Shut off gas supply and disconnect electrical power to the furnace before beginning disassembly. Inspect burner assemblies, flue connections, and surrounding components for wear or damage while the heat exchanger is accessible. Never operate a furnace with a cracked or damaged heat exchanger, as flue gas intrusion into the air stream presents a carbon monoxide hazard.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003ePart Type\u003c\/strong\u003e: Heat Exchanger\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NORDYNE INTERTHERM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 903418\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nordyne Intertherm","offers":[{"title":"Default Title","offer_id":51138420670770,"sku":"903418","price":257.87,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/903418.jpg?v=1778255939","url":"https:\/\/voomisupply.com\/products\/nordyne-intertherm-903418-heat-exchanger","provider":"Voomi Supply","version":"1.0","type":"link"}