{"product_id":"oem-lennox-control-fixed-temp-thermo-blocked-vent-safety-y5407","title":"OEM Lennox Control-Fixed Temp Thermo Blocked Vent Safety — Y5407","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y5407\u003c\/strong\u003e Control-Fixed Temperature Thermally Activated Blocked Vent Safety Switch is a critical OEM safety component that monitors flue gas temperatures to detect blocked or restricted venting conditions, automatically shutting down furnace operation to prevent dangerous carbon monoxide buildup in your home. Common symptoms of a failed vent safety switch include nuisance shutdowns, failure to ignite, or a furnace that runs briefly and then locks out. This genuine Lennox replacement part restores safe, code-compliant operation in compatible Lennox heating systems.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081052799347,"sku":"LNX-Y5407","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-control-fixed-temp-thermo-blocked-vent-safety-y5407","provider":"National HVAC Parts","version":"1.0","type":"link"}