{"product_id":"oem-lennox-pressure-switch-93w76","title":"OEM Lennox Pressure Switch — 93W76","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e93W76\u003c\/strong\u003e pressure switch is a safety component that verifies proper draft and venting before your furnace begins its ignition sequence. It monitors the negative pressure produced by the draft inducer motor to confirm that combustion byproducts are being safely vented, permitting ignition only when conditions are safe.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e A malfunctioning \u003cstrong\u003e93W76\u003c\/strong\u003e switch commonly causes ignition failure, short cycling, repeated pressure-switch error codes, or a furnace that runs the inducer but never fires the burners. Clogged hoses, condensate blockage, a torn diaphragm, or contacts stuck open are frequent culprits behind these no-heat symptoms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Because this switch is calibrated to a precise trip point in inches of water column, an incorrect aftermarket substitute can either mask a dangerous venting problem or trigger nuisance lockouts on Lennox equipment. The factory-original \u003cstrong\u003e93W76\u003c\/strong\u003e ensures the exact pressure rating and dependable safety response your Lennox furnace requires. In stock and ships same day.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081091268979,"sku":"LNX-93W76","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-draft-inducer-LNX-93W76.jpg?v=1783763098","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-pressure-switch-93w76","provider":"National HVAC Parts","version":"1.0","type":"link"}