OEM Carrier Gas Valve Kit EF660015 for Model GB1AAV048091ADJA

This is the OEM factory-specified gas valve kit (part number EF660015) for the Carrier GB1AAV048091ADJA gas furnace. The combination gas valve is the heart of your furnace's fuel delivery system — it regulates and controls the flow of natural gas or propane from the supply line to the burner assembly. When the gas valve fails, the furnace will attempt ignition but produce no flame, lock out on a safety fault, or fail to heat entirely. Common symptoms include a hot surface igniter that glows but no burner ignition, error codes indicating valve failure, or a furnace that runs the inducer and igniter cycle repeatedly without lighting.

• Specs: OEM combination gas valve | Part No. EF660015 | Factory-matched pressure and flow ratings | Compatible with natural gas and LP configurations per unit data plate
• OEM vs Generic: This is a genuine Carrier OEM valve — factory-tested to exact pressure tolerances and safety certifications. Aftermarket valves can have inconsistent seat sealing and pressure regulation, creating safety risks and voiding equipment warranties. Always use OEM on gas-carrying components.
• Install difficulty: 4/5 — Gas valve replacement requires shutting off the gas supply, relieving line pressure, and carefully transferring all wiring connections. Tools needed: adjustable wrench, pipe thread sealant, manometer for outlet pressure verification, multimeter. We strongly recommend a licensed HVAC technician perform this repair. Always perform a leak test after installation.
• Warranty: 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier GB1AAV048091ADJA gas furnace. Verify the OEM part number EF660015 against your existing valve and your unit's data plate before ordering. The GB1AAV048091ADJA is a 4-ton, 91,000 BTU upflow/horizontal gas furnace — confirm your model tag matches exactly. Our fitment team is available to verify compatibility before you purchase.