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OEM Carrier Spark Electrode Ignitor 48VL400002 for PY3GNA042090AA
Carrier

OEM Carrier Spark Electrode Ignitor 48VL400002 for PY3GNA042090AA

SKU: CARRIE-PY3GNA042090AA-IGNITER-48VL400002 Brand: Carrier
✓ Guaranteed to fit PY3GNA042090AA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Spark Electrode Ignitor 48VL400002 for Model PY3GNA042090AA

This OEM spark electrode ignitor (part number 48VL400002) is the factory-specified ignition component for the Carrier PY3GNA042090AA 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.

  • Part Specs: OEM Carrier spark electrode ignitor assembly | Part No. 48VL400002 | Superseded by 50HJ403022 | Factory-matched electrode geometry and wire harness | Designed for 120V ignition control circuit
  • OEM vs Generic: 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.
  • Install Difficulty: 2/5 — 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.
  • Warranty: 1-year OEM factory warranty against manufacturing defects. In-stock and ships same business day from our warehouse.

Compatibility: Engineered for the Carrier PY3GNA042090AA 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 Note that OEM part 48VL400002 has been superseded — confirm fitment against your unit's data plate and service literature before ordering.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.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $99
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Igniter fit my Carrier PY3GNA042090AA?
Yes. This is the factory-specified OEM igniter for the Carrier PY3GNA042090AA. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the igniter on my Carrier PY3GNA042090AA?
Difficulty: Medium (20–30 min)
Step 1: Turn off power and gas. Step 2: Open furnace panel. Step 3: Locate igniter near burners. Step 4: Disconnect two-wire plug. Step 5: Remove mounting screw. Step 6: Install new igniter — do NOT touch element with fingers. Step 7: Reconnect, close panel, restore power/gas.
My furnace won’t ignite. What part is bad?
Furnace won’t ignite after the draft inducer runs = failed igniter. The hot surface igniter should glow bright orange within 60 seconds. No glow = cracked/burned out. Weak glow = degrading. Average lifespan: 3–7 years. Replacement: $15–$40 DIY.
Is this igniter compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier igniter?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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