{"product_id":"oem-lennox-pressure-switch-2stg-60-1-00-21w00","title":"OEM Lennox Pressure Switch 2Stg .60\/1.00 — 21W00","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 21W00\u003c\/strong\u003e (OEM part 101021-01) is a genuine OEM two-stage pressure switch rated at .60\/1.00 inches of water column, used in Lennox two-stage furnaces to confirm that the draft inducer is generating adequate negative pressure before the ignition sequence is allowed to proceed. Symptoms of failure include a furnace that won't light, repeated lockouts, or fault codes indicating a pressure switch open condition during either stage of operation. As a direct OEM Lennox replacement, this part delivers the precise switching thresholds needed for safe, reliable two-stage furnace performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081039397235,"sku":"LNX-21W00","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-pressure-switch-2stg-60-1-00-21w00","provider":"National HVAC Parts","version":"1.0","type":"link"}