{"product_id":"oem-lennox-high-altitude-pressure-switch-kit-18l50","title":"OEM Lennox High Altitude Pressure Switch Kit — 18L50","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 18L50\u003c\/strong\u003e is a genuine OEM high altitude pressure switch kit specifically designed to recalibrate your Lennox furnace's pressure sensing for installations at elevated elevations where air density is reduced. Without the correct high altitude switch, your furnace may experience nuisance lockouts, failed ignition, or unsafe combustion due to improper pressure thresholds. This complete kit provides everything needed for a proper high altitude conversion on compatible Lennox furnace models.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081033924979,"sku":"LNX-18L50","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-high-altitude-pressure-switch-kit-18l50","provider":"National HVAC Parts","version":"1.0","type":"link"}