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Goodman

OEM Goodman Gas Valve Adapter for ADSH800403AXAC Furnace — 0259M00005

SKU: GOODMAN-3167 Brand: Goodman
$12.95 $16.95

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The Goodman 0259M00005 Gas Valve Adapter is a genuine OEM connecting fitting used to interface the gas valve with the manifold/supply line on the ADSH800403AXAC and compatible Goodman/Amana furnaces. It ensures the correct thread engagement and a gas-tight connection at the valve.

Specifications

  • OEM Part Number: 0259M00005
  • Type: Gas valve adapter / connecting fitting
  • Application: Gas valve-to-manifold interface
  • Fits: Goodman ADSH800403AXAC and cross-compatible furnaces
  • Brand: Goodman (OEM)

OEM vs. Generic

Because this fitting carries fuel gas, thread precision and material rating matter. The OEM adapter is machined to Goodman's exact spec for a reliable, leak-free seal. Generic hardware-store fittings may not match thread pitch or gas-service ratings and are not recommended for gas-carrying connections.

Installation Difficulty

Moderate (3/5). Involves opening a gas connection — shut off the gas supply, use approved pipe-thread sealant rated for gas, and leak-test with soapy water before returning to service. Best handled by a qualified technician if you're not comfortable working on gas lines.

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

Frequently Asked Questions

Does this Gas Valve fit my Goodman ADSH800403AXAC Furnace — 0259M00005?
Yes. This is the factory-specified OEM gas valve for the Goodman ADSH800403AXAC 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 ADSH800403AXAC 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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Mike Rivera
HVAC Parts Specialist — Online