What are the specs for this Limit Switch?

The correct replacement for Goodman model GMH951155DXAA — 10123519 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 GMH951155DXAA — 10123519.

What symptoms indicate I need a new limit switch?

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

Is this limit switch 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 Manual Reset Limit Switch for GMH951155DXAA — 10123519

Name: OEM Goodman Manual Reset Limit Switch for GMH951155DXAA — 10123519
Brand: Goodman
SKU: GOODMAN-11471
Price: 18.95 USD
Availability: InStock

SKU: GOODMAN-11471 Brand: Goodman

$18.95 $24.95

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The Goodman 10123519 Manual Reset Limit Switch is a genuine OEM safety control for the GMH951155DXAA 95% AFUE gas furnace. This high-limit switch opens the circuit if it detects excessive heat, protecting the heat exchanger and surrounding components from overheating. Because it is a manual-reset design, it must be pressed to restore operation after a trip — a deliberate safety feature that flags an underlying airflow or overheat condition.

Specifications

OEM Part Number: 10123519
Type: Manual reset high-limit / rollout switch
Fits: Goodman GMH951155DXAA furnace
Action: Opens on temperature rise, manual reset button
Mounting: Bracket / burner-box mount
Compatible equipment: 95% AFUE two-stage gas furnaces

OEM vs. Generic

The OEM switch is factory-calibrated to Goodman's exact trip temperature, ensuring the safety circuit responds at the correct threshold. Generic equivalents may carry a different trip point or terminal orientation. For a life-safety component like a limit switch, we strongly recommend the OEM part.

Installation Difficulty

Easy–Moderate (2/5) — Disconnect power, remove the mounting screws, transfer the two spade terminals, and reinstall. Confirm the reset button is seated. Roughly 20–30 minutes for most DIYers.

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 Manual Reset Limit S...

$18.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman GMH951155DXAA — 10123519?

Yes. This is the factory-specified OEM limit switch for the Goodman GMH951155DXAA — 10123519. 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 limit switch on my Goodman GMH951155DXAA — 10123519?

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 limit switch?

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

Is this limit switch 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 limit switch?

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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