{"product_id":"oem-lennox-102737-03-pressure-switch-2-stage-20-55-69w55","title":"OEM Lennox 102737-03 Pressure Switch 2 Stage (20\/.55) — 69W55","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 69W55\u003c\/strong\u003e, cross-referenced as OEM part number 102737-03, is a genuine 2-stage pressure switch rated at .20\/.55 inches of water column, designed to monitor negative pressure created by the inducer motor in Lennox gas furnaces before permitting the ignition sequence to proceed. This important safety device protects the heat exchanger and flue system by confirming proper draft, preventing operation under conditions that could lead to furnace damage or unsafe flue gas spillage. If your Lennox furnace displays a pressure switch lockout fault, short-cycles, or the inducer runs continuously without lighting, replacing the \u003cstrong\u003e69W55\u003c\/strong\u003e is a recommended diagnostic step.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081038315891,"sku":"LNX-69W55","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-102737-03-pressure-switch-2-stage-20-55-69w55","provider":"National HVAC Parts","version":"1.0","type":"link"}