{"product_id":"oem-lennox-104549-15-pressure-switch-2-stg-80-50-14a57","title":"OEM Lennox 104549-15 Pressure Switch 2-Stg-.80\/-.50 — 14A57","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 14A57\u003c\/strong\u003e (OEM part 104549-15) is a two-stage pressure switch factory-set at -.80 and -.50 inches water column, designed to verify proper inducer draft before allowing burner ignition in compatible Lennox furnaces. If this switch fails, you may experience symptoms such as a furnace that won't ignite, repeated lockouts, or error codes indicating a pressure fault. This is a genuine OEM Lennox replacement part, ensuring precise fit and reliable performance for your system.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081038676339,"sku":"LNX-14A57","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-104549-15-pressure-switch-2-stg-80-50-14a57","provider":"National HVAC Parts","version":"1.0","type":"link"}