{"product_id":"carrier-hvac-hh19za175-limit-switch-thermostat-open-175f-close-135f-auto-reset","title":"Carrier HVAC HH19ZA175 Limit Switch\/Thermostat, Open 175F, Close 135F, Auto Reset","description":"\u003cp\u003eThe \u003cstrong\u003eCarrier HH19ZA175\u003c\/strong\u003e is a genuine OEM Limit Switch\/Thermostat engineered to protect HVAC systems from overheating while ensuring reliable, long-term operation. Built to the manufacturer's exact specifications, this component delivers consistent thermal protection with automatic reset functionality, minimizing downtime and maintaining system stability in demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey 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 175°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClose Temperature:\u003c\/strong\u003e 135°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 Surface Mount\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount Position:\u003c\/strong\u003e Any Position\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOverheat Protection with Automatic Reset\u003c\/h3\u003e\n\u003cp\u003eThis limit switch opens the circuit at \u003cstrong\u003e175°F\u003c\/strong\u003e to prevent dangerous overheating and automatically resets once the temperature drops back to \u003cstrong\u003e135°F\u003c\/strong\u003e. The auto reset feature eliminates the need for manual intervention, keeping your HVAC system running efficiently with minimal disruption.\u003c\/p\u003e\n\n\u003ch3\u003eGenuine OEM Quality\u003c\/h3\u003e\n\u003cp\u003eManufactured to Carrier's exact specifications, this OEM-grade switch is built to resist \u003cstrong\u003eheat cycling and component fatigue\u003c\/strong\u003e. The result is a longer-lasting part that maintains reliable uptime over years of continuous use — a direct replacement you can trust to perform like the original.\u003c\/p\u003e\n\n\u003ch3\u003eFlexible Installation\u003c\/h3\u003e\n\u003cp\u003eFeaturing a \u003cstrong\u003esurface mount design\u003c\/strong\u003e compatible with \u003cstrong\u003eany mounting position\u003c\/strong\u003e, this limit switch offers straightforward installation flexibility to suit a variety of HVAC configurations and setups.\u003c\/p\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\u003e40AQ 900 151\u003c\/li\u003e\n  \u003cli\u003e517ENX018003 BA\u003c\/li\u003e\n  \u003cli\u003e517ENX018010 BA\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\u003e3.0\" \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":51297571995954,"sku":"HH19ZA175","price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/malachypartsplus.com\/products\/carrier-hvac-hh19za175-limit-switch-thermostat-open-175f-close-135f-auto-reset","provider":"Malachy Parts+","version":"1.0","type":"link"}