IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The genuine Goodman 0259M00005 gas valve adapter is the factory fitting used to connect the gas valve within the Amana/Goodman AMH80804BNBD 80% AFUE gas furnace and related models. This adapter ensures the correct thread interface and orientation between the gas valve and the manifold or supply connection, so the assembly seats properly and seals without leaks. It's a common item needed during a gas-valve replacement or when adapting a service-replacement valve to the original piping.
The OEM adapter guarantees the correct thread size, length, and gas-rated material for a leak-free seal on the first try. A Generic pipe fitting may substitute at lower cost, but gas connections demand exact thread compatibility and proper rating — get it wrong and you risk leaks. For any gas-carrying fitting, OEM is the recommended choice.
Moderate (2/5). Gas must be shut off, joints sealed with approved thread compound, and every connection leak-tested with soapy water before relighting. Recommended for those comfortable with gas work.