What are the specs for this Burner?

The correct replacement for Goodman model GMTH045-3B — B4022700 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 GMTH045-3B — B4022700.

What symptoms indicate I need a new burner?

Common symptoms that indicate you need a new burner 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 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 3" In-Shot Gas Burner for GMTH045-3B — B4022700

Name: OEM Goodman 3" In-Shot Gas Burner for GMTH045-3B — B4022700
Brand: Goodman
SKU: GOODMAN-12533
Price: 8.95 USD
Availability: InStock

SKU: GOODMAN-12533 Brand: Goodman

$8.95 $11.95

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The Goodman B4022700 3-Inch In-Shot Burner is a genuine OEM gas burner designed for the GMTH045-3B furnace and related Goodman/Amana models. Each in-shot burner shoots the air-fuel mixture directly into a single heat-exchanger tube, where it is ignited to produce clean, stable combustion. Over time burners can rust, clog with debris, or develop flame-rollout and delayed-ignition problems — replacing the affected burner (or the full set) restores a crisp, even blue flame and reliable ignition.

Specifications

Part Number: B4022700
Type: In-shot / single-port gas burner
Length: 3 inches
Application: One burner per heat-exchanger tube
Fits: Goodman GMTH045-3B and related furnaces
Brand: Goodman (OEM)

OEM vs. Generic

Burner geometry, venturi shape, and mounting slot must match your manifold and orifice spacing to keep the flame aligned in the heat-exchanger tube. The OEM B4022700 is dimensioned exactly for this furnace, ensuring proper flame carryover and combustion. Mismatched aftermarket burners can cause rollout, poor ignition, or sooting.

Installation Difficulty

Easy (2/5). Shut off the gas and power, remove the burner-box cover, slide the old burner off its manifold orifice, and seat the new one in the same slot. When replacing burners it is good practice to inspect the matching orifice and flame sensor. Verify a clean blue flame after restart.

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 3" In-Shot Gas Burne...

$8.95

Frequently Asked Questions

Does this Burner fit my Goodman GMTH045-3B — B4022700?

Yes. This is the factory-specified OEM burner for the Goodman GMTH045-3B — B4022700. 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 on my Goodman GMTH045-3B — B4022700?

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?

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

Is this burner 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?

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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