{"product_id":"oem-lennox-high-altitude-pressure-switch-kit-18l48","title":"OEM Lennox High Altitude Pressure Switch Kit — 18L48","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 18L48\u003c\/strong\u003e is a genuine OEM high altitude pressure switch kit designed to ensure your Lennox furnace operates safely and efficiently when installed at elevations where lower air pressure affects normal draft inducer performance. Without the proper high altitude pressure switch, the furnace may fail to ignite, short cycle, or trigger persistent fault codes related to pressure switch sensing errors. This direct OEM replacement kit includes the components necessary for a factory-approved high altitude conversion on select Lennox furnace models.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081034023283,"sku":"LNX-18L48","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-high-altitude-pressure-switch-kit-18l48","provider":"National HVAC Parts","version":"1.0","type":"link"}