{"product_id":"oem-lennox-gas-valve-56m40","title":"OEM Lennox Gas Valve — 56M40","description":"\u003cp\u003eThe Lennox \u003cstrong\u003e56M40\u003c\/strong\u003e is a genuine OEM gas valve that controls the flow of natural or LP gas into the burners of your Lennox furnace. Working in concert with the ignition control board, it opens and closes on demand to deliver precise, safe fuel metering during every heating cycle. This valve is built to Lennox factory specifications to ensure correct pressure regulation and a proper seal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include a furnace that lights intermittently or not at all, weak or fluctuating flames, a gas odor near the unit, unusual clicking or buzzing from the valve, or the burners failing to stay lit. A stuck or leaking gas valve is a safety concern and should be replaced promptly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e A gas valve is a critical safety component, and Lennox equipment depends on exact pressure settings and reliable shut-off. The genuine \u003cstrong\u003e56M40\u003c\/strong\u003e guarantees the correct orifice sizing, regulation, and fail-safe operation your furnace was engineered around — protecting your home and preserving your equipment warranty. Always have gas components installed by a qualified technician.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081102508403,"sku":"LNX-56M40","price":169.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-gas-valve-assembly-LNX-56M40.jpg?v=1783761272","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-gas-valve-56m40","provider":"National HVAC Parts","version":"1.0","type":"link"}