{"product_id":"oem-lennox-r40154b015-control-limit-46k73","title":"OEM Lennox R40154B015 Control-Limit — 46K73","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 46K73 (R40154B015)\u003c\/strong\u003e is a genuine OEM control-limit switch engineered to safeguard your Lennox furnace by sensing elevated temperatures and interrupting system operation before heat exchanger or component damage can occur. Signs of a defective limit switch include intermittent heating, the furnace blower running continuously without heat, or the system failing to start. This authentic Lennox replacement part ensures compatibility and restores safe, efficient operation to your heating system.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081058140531,"sku":"LNX-46K73","price":19.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-r40154b015-control-limit-46k73","provider":"National HVAC Parts","version":"1.0","type":"link"}