{"product_id":"oem-lennox-102857-09-control-limit-190f-main-12p55","title":"OEM Lennox 102857-09 Control-Limit (190F) Main — 12P55","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 12P55\u003c\/strong\u003e (OEM part number 102857-09) is a genuine OEM main high-limit control switch rated at 190°F, serving as the primary overheat protection device in compatible Lennox furnaces by cutting power to the burner when the heat exchanger temperature becomes unsafe. A malfunctioning main limit control can cause symptoms such as the furnace shutting down mid-cycle, failing to ignite, or the fan running without heat production. This direct OEM replacement delivers the precise trip temperature and fit required for reliable, safe Lennox furnace performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081051980147,"sku":"LNX-12P55","price":19.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-102857-09-control-limit-190f-main-12p55","provider":"National HVAC Parts","version":"1.0","type":"link"}