{"product_id":"westinghouse-626423r-limit-switch-170f-auto-reset-hvac-r","title":"Westinghouse 626423R Limit Switch 170F Auto Reset Hvac R","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe WESTINGHOUSE 626423R is a limit switch designed for use in HVAC and refrigeration systems. Limit switches serve as thermal safety devices, interrupting the circuit when temperatures exceed a set threshold to protect heat exchangers, motors, and other components from damage. This unit carries a 170 degrees F limit setting with auto-reset functionality, meaning the switch restores the circuit automatically once temperatures drop back to a safe range. The 3-inch insert configuration allows for installation into standard furnace plenum or duct openings. It is installed by licensed HVAC technicians as part of routine service or system repair work.\u003c\/p\u003e\n\u003cp\u003eThis limit switch is suited for residential and light commercial HVAC and refrigeration applications where temperature-activated safety cutoff is required. The auto-reset design eliminates the need for manual reset between trips, making it appropriate for systems that experience intermittent high-temperature conditions. The 3-inch insert form factor fits common mounting configurations found in gas furnaces, air handlers, and similar forced-air equipment. Installation is performed by qualified HVAC service professionals during scheduled maintenance or component replacement.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e170 degrees F limit setting for thermal overheat protection\u003c\/li\u003e\n  \u003cli\u003eAuto-reset operation restores circuit automatically after cooldown\u003c\/li\u003e\n  \u003cli\u003e3-inch insert configuration for standard plenum and duct mounting\u003c\/li\u003e\n  \u003cli\u003eListed to UL applicable standards\u003c\/li\u003e\n  \u003cli\u003eSuitable for HVAC and refrigeration system applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement limit switch for residential and light commercial HVAC and refrigeration systems requiring a 170 degrees F auto-reset device with a 3-inch insert mount.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed HVAC technician. Disconnect and lock out electrical power to the unit before removing or installing a limit switch. Ensure the insert is fully seated and secure in the mounting opening before restoring power. Refer to the equipment manufacturer's wiring diagram and applicable local codes for proper circuit integration.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Type\u003c\/strong\u003e: Limit Switch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLimit Setting\u003c\/strong\u003e: 170 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReset Type\u003c\/strong\u003e: Auto Reset\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: HVAC\/R\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eListing Standard\u003c\/strong\u003e: UL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: WESTINGHOUSE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 626423R\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WESTINGHOUSE","offers":[{"title":"Default Title","offer_id":51283968753970,"sku":"626423R","price":23.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/309277844.jpg?v=1781064532","url":"https:\/\/voomisupply.com\/products\/westinghouse-626423r-limit-switch-170f-auto-reset-hvac-r","provider":"Voomi Supply","version":"1.0","type":"link"}