{"product_id":"oem-lennox-high-altitude-pressure-switch-kit-18l19","title":"OEM Lennox High Altitude Pressure Switch Kit — 18L19","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 18L19\u003c\/strong\u003e High Altitude Pressure Switch Kit is an authentic OEM replacement part that ensures your Lennox furnace safely monitors combustion and draft pressure when installed in high-altitude environments. If your furnace is experiencing lockouts, failing to fire, or displaying pressure switch fault codes, this kit provides the exact replacement needed to resolve the issue with confidence. Designed and tested to Lennox factory standards, this switch kit delivers a reliable, long-lasting repair with guaranteed compatibility.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081035465075,"sku":"LNX-18L19","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-high-altitude-pressure-switch-kit-18l19","provider":"National HVAC Parts","version":"1.0","type":"link"}