{"product_id":"oem-lennox-104549-07-pressure-switch-2-stg-85-45-14a49","title":"OEM Lennox 104549-07 Pressure Switch 2-Stg-.85\/-.45 — 14A49","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 14A49\u003c\/strong\u003e (OEM reference 104549-07) is a genuine OEM two-stage pressure switch rated at -0.85\/-0.45 inches WC, designed to monitor the negative pressure created by the draft inducer motor and enable safe ignition in compatible Lennox gas furnaces. Failure of this switch typically results in a furnace that will not advance past the inducer pre-purge stage, triggering fault codes and leaving the system without heat. Replacing it with this factory-original Lennox part ensures accurate pressure thresholds and restores normal two-stage furnace operation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081039724915,"sku":"LNX-14A49","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-104549-07-pressure-switch-2-stg-85-45-14a49","provider":"National HVAC Parts","version":"1.0","type":"link"}