{"product_id":"ao-smith-100109935-blocked-outlet-switch","title":"Ao Smith 100109935 Blocked Outlet Switch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe AO SMITH 100109935 is a blocked outlet switch designed to detect exhaust or flue outlet obstructions in water heater systems. When airflow through the flue or vent path is restricted, the switch interrupts the burner circuit, preventing unsafe operation. This safety component is installed by licensed plumbers and HVAC technicians during routine maintenance or when a faulty switch triggers nuisance lockouts on the water heater.\u003c\/p\u003e\u003cp\u003eThis blocked outlet switch is used in residential water heater applications where venting safety cutoffs are required. It is suited for installations where the appliance relies on proper exhaust flow as a condition of burner operation. Technicians replacing a failed or suspect switch during a service call will find this part a direct fit for applicable AO SMITH water heater models.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDetects blocked or restricted flue and exhaust outlet conditions\u003c\/li\u003e\n\u003cli\u003eInterrupts burner circuit on obstruction detection to prevent unsafe operation\u003c\/li\u003e\n\u003cli\u003eOEM part number 100109935 ensures direct-fit replacement\u003c\/li\u003e\n\u003cli\u003eDesigned for residential water heater venting safety systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement blocked outlet switch for AO SMITH water heaters requiring part number 100109935.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed plumber or HVAC technician familiar with water heater venting systems. Shut off the gas supply and disconnect power to the water heater before beginning any service work. Verify the vent path is clear of obstructions before installing the new switch, as a blocked flue condition may have caused the original component to fail. Follow all applicable local codes and manufacturer guidelines when restoring the appliance to service.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Blocked Outlet Switch\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: 100109935\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TAILWIND","offers":[{"title":"Default Title","offer_id":51149760889138,"sku":"100109935","price":76.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305987855.jpg?v=1778600799","url":"https:\/\/voomisupply.com\/products\/ao-smith-100109935-blocked-outlet-switch","provider":"Voomi Supply","version":"1.0","type":"link"}