{"product_id":"carrier-hvac-hh18ha147-limit-switch-thermostat-auto-reset","title":"Carrier HVAC HH18HA147 Limit Switch\/Thermostat, Auto Reset","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCarrier HH18HA147\u003c\/strong\u003e is a genuine OEM \u003cstrong\u003eLimit Switch\/Thermostat with Auto Reset\u003c\/strong\u003e functionality, designed as a direct replacement component for compatible Carrier HVAC systems. This limit switch plays a critical role in protecting your heating system by monitoring temperature thresholds and automatically resetting once safe operating conditions are restored.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto Reset Function:\u003c\/strong\u003e Automatically resets once the temperature returns to a safe operating range, minimizing downtime and manual intervention\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine OEM Part:\u003c\/strong\u003e Manufactured to Carrier's exact specifications for reliable, consistent performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLimit Switch Design:\u003c\/strong\u003e Monitors and controls temperature limits within the HVAC system to prevent overheating and potential damage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Functionality:\u003c\/strong\u003e Operates as both a limit switch and thermostat for comprehensive temperature management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is a Limit Switch?\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003elimit switch\u003c\/strong\u003e is a vital safety component in your furnace or air handler. It monitors the temperature inside the heat exchanger and shuts down the burner if temperatures exceed safe levels. The \u003cstrong\u003eauto reset\u003c\/strong\u003e feature on this unit means it will automatically restore normal operation once temperatures drop back within the acceptable range — no manual reset required.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThis limit switch is designed for use with \u003cstrong\u003eCarrier HVAC systems\u003c\/strong\u003e. To ensure proper fit and function, please verify compatibility with your specific model number before purchasing. Refer to your system's documentation or consult a qualified HVAC technician if you are unsure whether this part is correct for your unit.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eInstallation of this component should be performed by a \u003cstrong\u003equalified HVAC technician\u003c\/strong\u003e to ensure proper function and system safety. Using genuine OEM replacement parts like the \u003cstrong\u003eHH18HA147\u003c\/strong\u003e helps maintain the integrity and warranty compliance of your Carrier system.\u003c\/p\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"carrier","offers":[{"title":"Default Title","offer_id":51297569341746,"sku":"HH18HA147","price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/malachypartsplus.com\/products\/carrier-hvac-hh18ha147-limit-switch-thermostat-auto-reset","provider":"Malachy Parts+","version":"1.0","type":"link"}