{"product_id":"carrier-hvac-hh12za211-limit-switch-auto-reset-spst-opens-210f-closes-170f","title":"Carrier HVAC HH12ZA211 Limit Switch, Auto Reset, SPST, Opens 210F, Closes 170F","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCarrier HH12ZA211\u003c\/strong\u003e is an automatic reset limit switch designed for use in HVAC systems. This switch provides reliable thermal protection by automatically monitoring temperature thresholds to safeguard your heating equipment from overheating conditions.\u003c\/p\u003e\n\n\u003ch3\u003eTemperature Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpens At:\u003c\/strong\u003e 210°F — disconnects the circuit when temperature reaches this threshold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCloses At:\u003c\/strong\u003e 170°F — automatically resets and restores the circuit once the temperature drops to this level\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSwitch Configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuit Type:\u003c\/strong\u003e SPST (Single Pole, Single Throw)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReset Type:\u003c\/strong\u003e Auto Reset — no manual intervention required after the temperature returns to a safe operating range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic reset functionality eliminates the need for manual resetting after a temperature trip event\u003c\/li\u003e\n\u003cli\u003eSPST design provides a straightforward open\/close switching action for reliable circuit control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40°F differential\u003c\/strong\u003e between opening and closing temperatures ensures stable, consistent performance and prevents rapid cycling\u003c\/li\u003e\n\u003cli\u003eOEM Carrier part number \u003cstrong\u003eHH12ZA211\u003c\/strong\u003e ensures proper fit and compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cp\u003eThis limit switch is a \u003cstrong\u003egenuine Carrier OEM replacement part\u003c\/strong\u003e, making it ideal for maintaining and servicing Carrier HVAC systems. It is commonly used in furnaces and air handlers where automatic thermal protection is required.\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":51297568817458,"sku":"HH12ZA211","price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/malachypartsplus.com\/products\/carrier-hvac-hh12za211-limit-switch-auto-reset-spst-opens-210f-closes-170f","provider":"Malachy Parts+","version":"1.0","type":"link"}