What are the specs for this Gas Valve Adapter?

The correct replacement for Goodman model AMEH801005CXAB — 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 AMEH801005CXAB — 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 AMEH801005CXAB — 0259M00005

Name: OEM Goodman Gas Valve Adapter for AMEH801005CXAB — 0259M00005
Brand: Goodman
SKU: GOODMAN-4540
Price: 18.95 USD
Availability: InStock

SKU: GOODMAN-4540 Brand: Goodman

$18.95 $24.95

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Texas CMBL #19328542014

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The Goodman 0259M00005 Gas Valve Adapter is a genuine OEM fitting used to interface the gas valve with the manifold assembly on AMEH801005CXAB furnaces. This adapter maintains the correct threaded connection and gas-tight seal between the valve and the supply piping, ensuring safe, leak-free fuel delivery to the burner assembly.

Because it is an exact-fit OEM component, it drops directly into the factory location with no modification, preserving the manufacturer's clearances and gas pressure rating.

Specifications

OEM Part Number: 0259M00005
Compatible Model: AMEH801005CXAB
Function: Gas valve to manifold adapter fitting
Equipment Type: Gas Furnace
Brand: Goodman / Amana
Material: Machined metal, gas-rated

OEM vs. Generic

OEM adapters are manufactured to the exact thread pitch, length, and pressure tolerance specified by Goodman, eliminating the leak and cross-threading risks common with aftermarket substitutes. For a gas-carrying component, OEM is strongly recommended.

Installation Difficulty

Moderate — replacement requires shutting off the gas supply, disconnecting the valve, and leak-testing the completed joint. This should be performed by a qualified HVAC technician, and all connections must be tested with a leak-detection solution before returning the unit to service.

Always confirm the gas is off and the furnace is de-energized before servicing.

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...

$18.95

Frequently Asked Questions

Does this Gas Valve Adapter fit my Goodman AMEH801005CXAB — 0259M00005?

Yes. This is the factory-specified OEM gas valve adapter for the Goodman AMEH801005CXAB — 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 AMEH801005CXAB — 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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