{"product_id":"carrier-py4gpab42090na-igniter-1kzbpu","title":"OEM Carrier Spark Electrode Ignitor 48VL400002 for PY4GPAB42090NA","description":"\u003ch1\u003eOEM Carrier Spark Electrode Ignitor 48VL400002 for Model PY4GPAB42090NA\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified spark electrode ignitor assembly for the \u003cstrong\u003eCarrier PY4GPAB42090NA\u003c\/strong\u003e packaged gas unit. The spark electrode ignitor generates the high-voltage arc that directly lights the burner on every call for heat. When the ignitor fails — due to a cracked electrode tip, carbon fouling, or a broken wire harness connection — the control board will attempt ignition, detect no flame, and lock out the system, leaving you with zero heat. Replacement with a genuine OEM part ensures exact electrode gap geometry and wire harness fit, restoring first-try ignition reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 48VL400002 (superseded by 50HJ403022) | Genuine Carrier Factory Authorized Part | Includes electrode rod and bracket assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM electrodes maintain factory-spec tip geometry and insulator grade. Off-brand electrodes frequently use inferior ceramics that crack under thermal cycling, causing repeat no-heat calls within one season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off gas supply and 24V power before beginning. Tools needed: 1\/4\" nut driver, needle-nose pliers, and a flashlight. Disconnect the high-voltage wire, remove the mounting screw, swap the electrode, and reconnect. Always verify the electrode gap matches the original before firing. Do \u003cem\u003enot\u003c\/em\u003e touch the ceramic insulator with bare hands — skin oils degrade the ceramic and shorten service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty against defects. Ships same business day from our warehouse when ordered by 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PY4GPAB42090NA\u003c\/strong\u003e packaged gas\/electric unit. Note: OEM part number 48VL400002 has been superseded by Carrier part \u003cstrong\u003e50HJ403022\u003c\/strong\u003e — both are stocked and either ships as your direct replacement. Confirm your unit's data plate matches before ordering. Our fitment team is available to verify compatibility before you buy — contact us with your full model and serial number.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640308584819,"sku":"CARRIE-PY4GPAB42090NA-IGNITER-48VL400002","price":77.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640308617587,"sku":"CARRIE-PY4GPAB42090NA-IGNITER-48VL400002-GEN","price":67.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-igniter-48VL400002_4248a378-99f5-4749-9a59-6be7ec038a20.jpg?v=1775040380","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py4gpab42090na-igniter-1kzbpu","provider":"National HVAC Parts","version":"1.0","type":"link"}