What are the specs for this Limit Switch?

The correct replacement for Goodman model GKS91155DXAD — 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 GKS91155DXAD — 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 GKS91155DXAD — 10123519

Name: OEM Goodman Manual Reset Limit Switch for GKS91155DXAD — 10123519
Brand: Goodman
SKU: GOODMAN-10944
Price: 21.95 USD
Availability: InStock

SKU: GOODMAN-10944 Brand: Goodman

$21.95 $28.95

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The Goodman 10123519 Manual Reset Limit Switch is the genuine OEM high-limit / rollout safety switch used on GKS91155DXAD gas furnaces. This normally-closed switch opens and shuts off the burners if it senses excessive temperature — protecting the heat exchanger from overheating due to restricted airflow, a dirty filter, or a failed blower. Because it is a manual reset device, it stays open after a trip and must be reset by hand, alerting you to an underlying fault that needs attention.

Specifications

OEM Part Number: 10123519
Type: Manual reset high-limit / rollout safety switch
Contacts: Normally closed, opens on over-temperature
Reset: Manual (push-button)
Fits Model: Goodman GKS91155DXAD (verify your OEM number before ordering)
Brand: Goodman

OEM vs. Generic

Limit switches are calibrated to a specific trip temperature and mounting footprint. The genuine Goodman switch trips at the factory-specified point and bolts directly to the OEM location. A generic switch with the wrong temperature rating either nuisance-trips or — worse — fails to protect the heat exchanger. For a safety component, always use the OEM-matched part.

Installation Difficulty

Easy (2 of 5). Cut power to the furnace, remove the two wire terminals and mounting screws, install the new switch in the same orientation, and reconnect the wiring. About 15 minutes. After installing, press the reset button and, if the switch trips again, diagnose the airflow or blower fault before returning the furnace to service.

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...

$21.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman GKS91155DXAD — 10123519?

Yes. This is the factory-specified OEM limit switch for the Goodman GKS91155DXAD — 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 GKS91155DXAD — 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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