{"product_id":"oem-lennox-12l3701-limit-control-12l37","title":"OEM Lennox 12L3701 Limit Control — 12L37","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 12L37 (12L3701)\u003c\/strong\u003e is a genuine OEM limit control that continuously monitors furnace operating temperatures and interrupts burner operation when unsafe conditions are detected, safeguarding the heat exchanger and extending the life of your Lennox heating system. A defective limit control can cause symptoms such as short-cycling, no-heat calls, or the furnace fan running non-stop without producing warm air. This direct OEM replacement part is engineered to match the original specifications of compatible Lennox furnace models for reliable, long-lasting performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081056108915,"sku":"LNX-12L37","price":19.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-12l3701-limit-control-12l37","provider":"National HVAC Parts","version":"1.0","type":"link"}