{"product_id":"oem-lennox-104549-12-pressure-switch-2-stg-75-45-14a54","title":"OEM Lennox 104549-12 Pressure Switch 2-Stg-.75\/-.45 — 14A54","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 14A54\u003c\/strong\u003e (OEM part 104549-12) is a genuine two-stage Lennox pressure switch factory-calibrated at -.75 and -.45 inches water column, engineered to ensure safe and reliable furnace ignition by verifying proper inducer draft pressure. When this switch fails or sticks open, your Lennox furnace may refuse to start, go into lockout mode, or display a pressure switch diagnostic fault code. Replacing the 14A54 with this authentic OEM part restores proper operation and maintains manufacturer safety standards.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081038872947,"sku":"LNX-14A54","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-104549-12-pressure-switch-2-stg-75-45-14a54","provider":"National HVAC Parts","version":"1.0","type":"link"}