What are the specs for this Limit Switch?

The correct replacement for Goodman model GMV950453BXA — 10123518 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 GMV950453BXA — 10123518.

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 GMV950453BXA — 10123518

Name: OEM Goodman Manual Reset Limit Switch for GMV950453BXA — 10123518
Brand: Goodman
SKU: GOODMAN-12724
Price: 9.95 USD
Availability: InStock

SKU: GOODMAN-12724 Brand: Goodman

$9.95 $13.25

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Goodman 10123518 Manual Reset Limit Switch

The Goodman 10123518 is the OEM manual reset high-limit switch for the GMV950453BXA gas furnace and compatible Goodman/Amana models. This temperature-activated safety control opens the ignition circuit if the heat exchanger or blower compartment overheats, shutting the furnace down to prevent damage and fire hazards. It requires a manual reset after tripping, alerting the homeowner to an underlying airflow or overheating problem.

Specifications

OEM Part Number: 10123518
Type: Manual reset high-limit safety switch
Function: Opens circuit on overtemperature; requires manual reset
Fits: Goodman GMV950453BXA and related furnace models
Application: Heat exchanger / blower overheat protection

OEM vs. Generic

Limit switches are calibrated to a specific trip temperature. The genuine 10123518 carries Goodman's exact rating and mounting geometry, so it protects the furnace at the correct threshold. A generic switch with a different set point can nuisance-trip or, worse, fail to shut the unit down. For a safety control, only the OEM part is appropriate.

Installation Difficulty

Moderate (2/5). A knowledgeable DIYer can replace it in about 20–30 minutes. Cut power to the furnace, note the wire positions, remove the mounting screws, transfer the terminals to the new switch, and remount. If the original tripped, diagnose the airflow or overheating cause before returning the unit 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...

$9.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman GMV950453BXA — 10123518?

Yes. This is the factory-specified OEM limit switch for the Goodman GMV950453BXA — 10123518. 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 GMV950453BXA — 10123518?

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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