IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The Goodman 0259M00005 Gas Valve Adapter is a genuine OEM fitting engineered for the Amana/Goodman AMVC80803BXBD two-stage variable-speed gas furnace. This adapter provides the correct threaded interface between the gas valve and the manifold or supply line, ensuring a properly aligned, leak-free gas connection that meets factory specification.
The OEM adapter guarantees exact thread size, pitch, and seating depth, so the gas valve mates cleanly and seals on the first assembly. Generic fittings may have slightly different threads or lengths, risking cross-threading or gas leaks. For any gas-carrying component, OEM precision is essential for safety and code compliance.
Shut off gas and power at the source. Apply approved gas-rated pipe sealant to the threads, hand-thread the adapter, and torque to spec — do not overtighten. Always perform a soap-bubble leak test before returning the furnace to service. Gas work should be done by a qualified technician where required by local code.