{"product_id":"carrier-py3gna042090aa-igniter-1kzbpu","title":"OEM Carrier Spark Electrode Ignitor 48VL400002 for PY3GNA042090AA","description":"\u003ch1\u003eOEM Carrier Spark Electrode Ignitor 48VL400002 for Model PY3GNA042090AA\u003c\/h1\u003e\u003cp\u003eThis OEM spark electrode ignitor (part number \u003cstrong\u003e48VL400002\u003c\/strong\u003e) is the factory-specified ignition component for the \u003cstrong\u003eCarrier PY3GNA042090AA\u003c\/strong\u003e packaged unit. During a call for heat, the control board energizes the ignitor to generate a high-voltage spark that lights the gas burner. When this electrode fails or cracks, the furnace section will attempt ignition, fail to sense a flame, and lock out — leaving you with no heat and a fault code on the board. Symptoms include repeated ignition clicking with no burner light-off, a hard lockout requiring a manual reset, or an intermittent no-heat condition that clears only after the unit is power-cycled.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Specs:\u003c\/strong\u003e OEM Carrier spark electrode ignitor assembly | Part No. 48VL400002 | Superseded by 50HJ403022 | Factory-matched electrode geometry and wire harness | Designed for 120V ignition control circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM assembly uses factory-spec electrode gap and ceramic insulator, ensuring the precise spark arc the control board expects. Generic electrodes frequently ship with incorrect gap spacing or non-matching connectors, causing repeated misfire codes and premature control board wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Turn off power and gas before starting. Tools needed: flat-head and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers. Photograph the original electrode position and wire routing before removal. Verify electrode gap matches the removed part before final installation. Always confirm ignition sequence with a test cycle before closing the unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against manufacturing defects. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the Carrier \u003cstrong\u003ePY3GNA042090AA\u003c\/strong\u003e packaged gas\/electric unit. Note that OEM part 48VL400002 has been superseded — confirm fitment against your unit's data plate and service literature before ordering. Questions about compatibility? Our HVAC parts specialists verify fitment before you buy — contact us today and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640477307251,"sku":"CARRIE-PY3GNA042090AA-IGNITER-48VL400002","price":77.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640477340019,"sku":"CARRIE-PY3GNA042090AA-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_d1be9c6f-00fb-4ee1-a191-3a6d6c4ae9a0.jpg?v=1775040243","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3gna042090aa-igniter-1kzbpu","provider":"National HVAC Parts","version":"1.0","type":"link"}