{"product_id":"oem-lennox-e1snsr55b-1-dirty-filter-switch-53w67","title":"OEM Lennox E1Snsr55B-1 Dirty Filter Switch — 53W67","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 53W67\u003c\/strong\u003e is a genuine OEM E1Snsr55B-1 dirty filter switch engineered to detect increased airflow restriction caused by a clogged filter and trigger the appropriate system alert or response in compatible Lennox units. A failing filter switch may cause missed filter change alerts, continuous false warnings, or related fault codes that disrupt normal system operation. Replace it with this direct OEM part to restore accurate filter status monitoring and protect your Lennox system from reduced airflow and efficiency loss.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081027371379,"sku":"LNX-53W67","price":19.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-e1snsr55b-1-dirty-filter-switch-53w67","provider":"National HVAC Parts","version":"1.0","type":"link"}