{"product_id":"oem-lennox-switch-limit-fixed-170-42j05","title":"OEM Lennox Switch Limit Fixed 170 — 42J05","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 42J05 (42J0501)\u003c\/strong\u003e is a genuine OEM fixed limit switch rated at 170°F, designed to shut down the burner if the heat exchanger reaches unsafe temperatures, protecting your Lennox furnace from overheating damage. If this switch fails, you may experience symptoms such as the furnace shutting off prematurely, failing to ignite, or triggering a lockout condition. This direct OEM replacement is compatible with select Lennox furnace models and ensures proper fit and reliable performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081054503283,"sku":"LNX-42J05","price":19.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-switch-limit-fixed-170-42j05","provider":"National HVAC Parts","version":"1.0","type":"link"}