{"product_id":"oem-lennox-valve-spring-kit-77w89","title":"OEM Lennox Valve Spring Kit — 77W89","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e77W89\u003c\/strong\u003e valve spring kit provides the calibrated springs needed to restore correct tension and regulation within your Lennox valve assembly. These springs set the pressure at which the valve opens and closes, ensuring accurate metering and consistent, safe operation as part of routine service or repair of the valve body.\u003c\/p\u003e\u003cp\u003eWorn, weakened, or broken valve springs can lead to symptoms such as inconsistent gas pressure, erratic valve response, improper flame, difficulty holding regulation, or a valve that fails to seat and close fully. Replacing the springs during service restores the assembly to its original operating specification.\u003c\/p\u003e\u003cp\u003eChoosing the OEM Lennox \u003cstrong\u003e77W89\u003c\/strong\u003e kit ensures each spring matches the exact rate and dimensions Lennox engineered for the valve — critical for safe combustion and reliable pressure control. Aftermarket springs with incorrect tension can compromise regulation and safety. Install the factory-original kit for a precise fit and dependable performance in your Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081141010803,"sku":"LNX-77W89","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-gas-valve-assembly-LNX-77W89.jpg?v=1783764076","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-valve-spring-kit-77w89","provider":"National HVAC Parts","version":"1.0","type":"link"}