{"product_id":"oem-lennox-high-altitude-pressure-switch-kit-18l49","title":"OEM Lennox High Altitude Pressure Switch Kit — 18L49","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 18L49\u003c\/strong\u003e is a genuine OEM high altitude pressure switch kit engineered to adjust the pressure switch settings on compatible Lennox furnaces installed at higher elevations where standard pressure thresholds are no longer accurate. Failure to use the correct high altitude kit can result in furnace lockouts, ignition failures, or inefficient and unsafe combustion. This all-inclusive OEM kit ensures your Lennox furnace meets factory safety and performance standards regardless of installation altitude.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081033990515,"sku":"LNX-18L49","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-high-altitude-pressure-switch-kit-18l49","provider":"National HVAC Parts","version":"1.0","type":"link"}