{"product_id":"ao-smith-100209983-high-limit-switch-kit","title":"Ao Smith 100209983 High Limit Switch Kit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe AO SMITH 100209983 is a high limit switch kit designed to protect water heater systems from overheating conditions. The high limit switch monitors water temperature and interrupts the burner or heating element circuit when temperatures exceed a safe threshold, preventing thermal damage to the tank, components, and surrounding installation. This kit provides the hardware needed for a complete field replacement of a failed or suspect limit device. Licensed plumbers and water heater service technicians are the primary installers of this component.\u003c\/p\u003e\u003cp\u003eThis kit is suited for residential and light commercial water heater applications where the high limit safety circuit requires service. It is a direct replacement component intended for use during routine maintenance calls or emergency service situations where an overtemperature event has tripped or damaged the existing limit switch assembly.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eComplete kit format includes hardware needed for full limit switch replacement\u003c\/li\u003e\n\u003cli\u003eProtects water heater from overtemperature conditions by interrupting the heating circuit\u003c\/li\u003e\n\u003cli\u003eOEM part number ensures proper fit and function for AO SMITH water heater systems\u003c\/li\u003e\n\u003cli\u003eDesigned for field replacement by licensed service technicians\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement high limit switch kit for AO SMITH water heater systems. Verify fitment against the unit model and serial number before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed plumber or qualified water heater service technician in accordance with local plumbing codes and the manufacturer service documentation. Before beginning work, shut off the gas supply or disconnect electrical power to the water heater and allow the unit to cool to a safe handling temperature. Drain pressure from the system as needed before removing any components. Do not restore power or fuel supply until the replacement switch is fully seated, wired, and the access panel is secured.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eComponent Type\u003c\/strong\u003e: High Limit Switch Kit\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: AO SMITH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 100209983\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TAILWIND","offers":[{"title":"Default Title","offer_id":51150437384498,"sku":"100209983","price":32.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305990313.jpg?v=1778612114","url":"https:\/\/voomisupply.com\/products\/ao-smith-100209983-high-limit-switch-kit","provider":"Voomi Supply","version":"1.0","type":"link"}