What are the specs for this Gas Valve Adapter?

The correct replacement for Goodman model AMH80603AXBD — 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 AMH80603AXBD — 0259M00005.

What symptoms indicate I need a new gas valve adapter?

Common symptoms that indicate you need a new gas valve adapter 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 adapter 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 AMH80603AXBD — 0259M00005

Name: OEM Goodman Gas Valve Adapter for AMH80603AXBD — 0259M00005
Brand: Goodman
SKU: GOODMAN-0259M00005
Price: 12.95 USD
Availability: InStock

SKU: GOODMAN-0259M00005 Brand: Goodman

$12.95 $16.95

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Goodman 0259M00005 Gas Valve Adapter

The 0259M00005 is a genuine OEM Goodman gas valve adapter engineered as a direct-fit replacement for the AMH80603AXBD 80% AFUE gas furnace and other compatible Goodman/Amana models. This adapter provides the correct threaded interface between the gas valve and the manifold, ensuring a leak-free, code-compliant gas connection during valve service or replacement.

Specifications

OEM Part Number: 0259M00005
Part Type: Gas Valve Adapter / Fitting
Application: Gas furnace manifold-to-valve connection
Fuel: Natural gas / LP compatible
Compatible Model: AMH80603AXBD
Brand: Goodman (Amana family)

OEM vs. Generic

Because gas-carrying components must seal precisely, we recommend the genuine OEM adapter. OEM parts match the factory thread pitch and dimensions exactly, eliminating the risk of gas leaks that off-brand fittings can introduce. Aftermarket generics may cost slightly less but often require thread-sealant workarounds and are not always rated for the same fuel pressures.

Installation Difficulty

Rating: Moderate. Replacement requires shutting off the gas supply, disconnecting the union, and verifying a leak-free seal with a soap-bubble test after reassembly. Because this component handles fuel gas, installation should be performed by a licensed HVAC technician. Always confirm no gas odor and test for leaks before returning the furnace to service.

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...

$12.95

Frequently Asked Questions

Does this Gas Valve Adapter fit my Goodman AMH80603AXBD — 0259M00005?

Yes. This is the factory-specified OEM gas valve adapter for the Goodman AMH80603AXBD — 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 adapter on my Goodman AMH80603AXBD — 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 adapter?

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

Is this gas valve adapter 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 adapter?

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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