{"product_id":"oem-lennox-pressure-switch-0-38-w-c-43k58","title":"OEM Lennox Pressure Switch 0.38\" W.C. — 43K58","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 43K58\u003c\/strong\u003e is an OEM replacement pressure switch rated at 0.38 inches of water column, designed to monitor and confirm proper inducer draft pressure in compatible Lennox furnace and air handler systems. When this switch fails or sticks open, the Lennox system may refuse to start, short cycle, or display a pressure switch fault code, signaling inadequate venting or a faulty switch. Installing this genuine Lennox OEM part restores accurate draft sensing and helps protect the system from operating under unsafe venting conditions.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081040839027,"sku":"LNX-43K58","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-pressure-switch-0-38-w-c-43k58","provider":"National HVAC Parts","version":"1.0","type":"link"}