{"product_id":"nordyne-intertherm-626423-furnace-limit-switch","title":"Nordyne Intertherm 626423 Furnace Limit Switch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe NORDYNE INTERTHERM 626423 is a furnace limit switch designed to protect heating equipment from overheating conditions. Mounted in the heat exchanger or plenum area, this safety control monitors temperature and interrupts the burner circuit when the air temperature exceeds the rated setpoint. It resets manually or automatically depending on configuration. Licensed HVAC technicians install this component during maintenance, troubleshooting, or as a direct replacement when an existing limit switch has failed or trips repeatedly due to airflow restrictions or heat exchanger issues.\u003c\/p\u003e\u003cp\u003eThis limit switch is suited for residential gas furnace applications where overtemperature protection is required. It is a direct replacement part for NORDYNE INTERTHERM furnace systems. Technicians typically encounter a failed or nuisance-tripping limit switch when diagnosing short-cycling or no-heat service calls. Restoring proper limit switch function is essential before returning the system to service.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOvertemperature safety device that interrupts the burner circuit on high-limit events\u003c\/li\u003e\n\u003cli\u003eOEM replacement part for NORDYNE INTERTHERM furnace systems\u003c\/li\u003e\n\u003cli\u003eDesigned for installation in heat exchanger or supply plenum locations\u003c\/li\u003e\n\u003cli\u003eHelps prevent heat exchanger damage caused by sustained overheating conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement limit switch for NORDYNE INTERTHERM residential gas furnace systems.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed HVAC technician. Disconnect all power to the furnace and shut off the gas supply before removing or installing a limit switch. Follow applicable local codes and IFGC guidelines during service. After installation, verify proper airflow and system operation before returning the unit to service.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eComponent Type\u003c\/strong\u003e: Limit Switch\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: 626423\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nordyne Intertherm","offers":[{"title":"Default Title","offer_id":51138216919346,"sku":"626423","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/626423.jpg?v=1778250581","url":"https:\/\/voomisupply.com\/products\/nordyne-intertherm-626423-furnace-limit-switch","provider":"Voomi Supply","version":"1.0","type":"link"}