{"product_id":"carrier-hvac-hh18ha505-limit-switch-thermostat-open-235f-close-195f-auto-reset","title":"Carrier HVAC HH18HA505 Limit Switch\/Thermostat, Open 235F, Close 195F, Auto Reset","description":"\u003cp\u003eThe Carrier \u003cstrong\u003eHH18HA505 Limit Switch\u003c\/strong\u003e is a genuine OEM safety component designed to safeguard HVAC systems against overheating. By interrupting power when temperatures reach unsafe levels, this thermostat-style limit switch protects critical system components and ensures reliable, consistent operation throughout the life of the unit.\u003c\/p\u003e\n\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eThis auto-reset limit switch monitors system temperatures and automatically cuts power when a dangerous threshold is reached. Once temperatures return to a safe level, the switch resets itself — eliminating the need for manual intervention and minimizing system downtime.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpens (interrupts power) at:\u003c\/strong\u003e 235°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCloses (restores power) at:\u003c\/strong\u003e 195°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReset Type:\u003c\/strong\u003e Automatic\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGenuine OEM Quality\u003c\/h3\u003e\n\u003cp\u003eAs a real OEM replacement part, the \u003cstrong\u003eHH18HA505\u003c\/strong\u003e is built to Carrier's original specifications. The rugged construction resists wear under frequent cycling conditions, preserving consistent actuation performance and extending the overall service life of the component.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Limit Switch \/ Thermostat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpen Temperature:\u003c\/strong\u003e 235°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClose Temperature:\u003c\/strong\u003e 195°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReset Type:\u003c\/strong\u003e Auto Reset\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount Type:\u003c\/strong\u003e Any Orientation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Carrier (OEM)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HH18HA505\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis limit switch is confirmed to fit the following Carrier models:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e311AAV066135ACJA\u003c\/li\u003e\n  \u003cli\u003e310JAV060135ACJA\u003c\/li\u003e\n  \u003cli\u003e315AAV066135AGJA\u003c\/li\u003e\n\u003c\/ul\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\u003e8.5\" \u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.75\" \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":51297570521394,"sku":"HH18HA505","price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/malachypartsplus.com\/products\/carrier-hvac-hh18ha505-limit-switch-thermostat-open-235f-close-195f-auto-reset","provider":"Malachy Parts+","version":"1.0","type":"link"}