What are the specs for this Burner Orifice?

The correct replacement for Goodman model GMPN080-4 — B2589345 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 GMPN080-4 — B2589345.

What symptoms indicate I need a new burner orifice?

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

Is this burner orifice 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 #45 Burner Orifice for GMPN080-4 — B2589345

Name: OEM Goodman #45 Burner Orifice for GMPN080-4 — B2589345
Brand: Goodman
SKU: GOODMAN-12089
Price: 13.95 USD
Availability: InStock

SKU: GOODMAN-12089 Brand: Goodman

$13.95 $17.95

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Goodman B2589345 #45 Gas Burner Orifice

The Goodman B2589345 is a genuine OEM #45 drill-size gas burner orifice (spud) for the GMPN080-4 gas furnace and compatible Goodman/Amana models. The orifice meters the exact gas flow into each burner, and its precise bore diameter is what sets proper BTU input and a clean, blue flame. A worn, enlarged, or debris-clogged orifice causes lazy yellow flames, sooting, delayed ignition, or incorrect firing rate — all corrected by installing the correctly sized factory orifice.

Specifications

Orifice size: #45 drill
Function: Meters gas flow to a single burner
Fuel: Natural gas (verify against your rating plate)
OEM Part Number: B2589345
Compatible model: Goodman GMPN080-4
Equipment type: Gas Furnace

OEM vs. Generic

The OEM Goodman B2589345 is drilled and deburred to the exact #45 specification, guaranteeing correct BTU input and thread fit into the manifold. Generic orifices can vary in bore diameter or thread quality, throwing off the firing rate and combustion safety. Because orifice sizing directly affects safe combustion, always match the factory part and your furnace's rating plate.

Installation Difficulty

Moderate (3/5). Roughly 20–30 minutes. It threads into the gas manifold, so the job requires shutting off the gas, removing burners, and leak-testing on completion. Best performed by a licensed HVAC technician — confirm orifice size against your unit's rating plate before firing.

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 #45 Burner Orifice f...

$13.95

Frequently Asked Questions

Does this Burner Orifice fit my Goodman GMPN080-4 — B2589345?

Yes. This is the factory-specified OEM burner orifice for the Goodman GMPN080-4 — B2589345. 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 burner orifice on my Goodman GMPN080-4 — B2589345?

Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.

What symptoms mean I need a new burner orifice?

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

Is this burner orifice 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 burner orifice?

OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.

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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