What are the specs for this Gas Valve?

The correct replacement for Goodman model AMH80805CNBD Furnace — 0259M00005 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Goodman equipment which lists the model number AMH80805CNBD Furnace — 0259M00005.

What symptoms indicate I need a new gas valve?

Common symptoms that indicate you need a new gas valve include unusual noises, intermittent operation, complete failure to operate, or visible damage. For specific diagnostic guidance, visit nationalhvacparts.com/pages/hvac-diagnostic.

Is this gas valve compatible with Bryant or Payne systems too?

Many Goodman parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

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Goodman

OEM Goodman Gas Valve Adapter for AMH80805CNBD Furnace — 0259M00005

Name: OEM Goodman Gas Valve Adapter for AMH80805CNBD Furnace — 0259M00005
Brand: Goodman
SKU: GOODMAN-5642
Price: 5.95 USD
Availability: InStock

SKU: GOODMAN-5642 Brand: Goodman

$5.95 $7.95

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The Goodman 0259M00005 Gas Valve Adapter is a genuine OEM fitting used on the Amana/Goodman AMH80805CNBD 80% AFUE gas furnace. This adapter provides the correct threaded transition between the gas valve outlet and the burner manifold, ensuring a properly aligned, leak-free gas connection. It is a required component whenever a gas valve is serviced or replaced and the original adapter is damaged, cross-threaded, or missing.

Part number: 0259M00005
Type: Gas valve / manifold adapter fitting
Function: Threaded transition between gas valve and burner manifold
Fits: AMH80805CNBD and compatible Goodman/Amana furnaces
Material: Machined metal fitting, factory thread spec

OEM vs. Generic: Gas-side fittings must match the factory thread pitch and sealing surface exactly. A generic or hardware-store substitute risks a gas leak, which is a serious safety hazard. This OEM adapter is machined to Goodman's specification for a guaranteed seal.

Install difficulty: Moderate (2/5). Because this is a gas-carrying fitting, it must be installed with the gas supply off, sealed with approved pipe compound or PTFE tape rated for gas, and leak-tested with a bubble solution or electronic detector after reassembly. If you are not comfortable working on gas connections, have a licensed HVAC technician perform this repair.

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 $75
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

OEM Goodman Gas Valve Adapter fo...

$5.95

Frequently Asked Questions

Does this Gas Valve fit my Goodman AMH80805CNBD Furnace — 0259M00005?

Yes. This is the factory-specified OEM gas valve for the Goodman AMH80805CNBD Furnace — 0259M00005. 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 gas valve on my Goodman AMH80805CNBD Furnace — 0259M00005?

Requires licensed HVAC technician. Gas valve work involves gas lines that must meet local building codes. Improper installation risks dangerous gas leaks. Buy the part yourself to save 40–60% on markup, then have your technician install it.

What symptoms mean I need a new gas valve?

Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.

Is this gas valve compatible with Bryant or Payne too?

Many Goodman 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 Goodman gas valve?

Always use OEM. Gas valves must match exact pressure ratings, port configurations, and safety certifications. Non-OEM gas valves can create safety hazards and may violate building codes.

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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OEM Goodman Gas Valve Adapter for AMH80805CNBD Furnace — 0259M00005

Shipping Information

Return Policy

Frequently Asked Questions