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The Goodman B2526004 6-burner manifold assembly is the OEM gas-distribution component for the GDT090-4 gas furnace. The manifold carries gas from the valve and meters it evenly across all six burners through the orifices. A cracked, corroded, or damaged manifold can cause uneven flames, delayed ignition, or improper combustion.
Our OEM B2526004 is manufactured to the original bore diameter, orifice spacing, and mounting geometry so the gas train fires exactly as engineered. Generic manifolds may not align with your burner rack or gas valve outlet, risking gas leaks and inefficient combustion. For a safety-critical gas component, we strongly recommend OEM.
Moderate (3/5). Expect 30–45 minutes. Shut off gas and power, disconnect the gas supply union, remove the burner box, transfer the orifices if needed, and reinstall with a new gas fitting seal. Leak-test every joint with soap solution before returning the furnace to service.
Gas work should be performed by a licensed HVAC professional. Verify your model and serial before ordering.