What are the specs for this Limit Switch?

The correct replacement for Goodman model ACEC800804BXAA — 10123529 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 ACEC800804BXAA — 10123529.

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 ACEC800804BXAA — 10123529

Name: OEM Goodman Manual Reset Limit Switch for ACEC800804BXAA — 10123529
Brand: Goodman
SKU: GOODMAN-10123529
Price: 12.95 USD
Availability: InStock

SKU: GOODMAN-10123529 Brand: Goodman

$12.95 $17.48

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Goodman 10123529 Manual Reset Limit Switch

The 10123529 is a genuine Goodman/Amana manual-reset high-limit safety switch for the ACEC800804BXAA gas furnace. This is a critical safety control: it opens the ignition circuit and shuts down the burners if it senses an overheat or flame-rollout condition, protecting the heat exchanger and the home. Unlike an auto-reset limit, the manual-reset button requires a technician to physically reset it after a trip — a deliberate design that flags an underlying problem.

Specifications

Part type: Manual-reset high-limit / rollout switch
OEM part number: 10123529
Brand: Goodman / Amana
Primary fit: ACEC800804BXAA gas furnace
Function: Opens on overtemperature; requires manual reset button
Factory-calibrated trip temperature — do not substitute by appearance

OEM vs. Generic

Because the trip temperature must match Goodman's factory specification, the OEM 10123529 is the only recommended replacement. A generic limit with the wrong setpoint can either nuisance-trip or, worse, fail to protect the heat exchanger. For a primary safety device, always use genuine OEM.

Installation Difficulty

Easy to moderate. The switch mounts with two screws and two push-on terminals — about 15–20 minutes. Disconnect power and gas before servicing. Important: if a limit switch has tripped, diagnose the root cause (blocked airflow, dirty filter, failed blower) 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...

$12.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman ACEC800804BXAA — 10123529?

Yes. This is the factory-specified OEM limit switch for the Goodman ACEC800804BXAA — 10123529. 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 ACEC800804BXAA — 10123529?

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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