What are the specs for this Limit Switch?

The correct replacement for Goodman model AKSS920453BXAA — 20162904 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 AKSS920453BXAA — 20162904.

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 Primary Limit Control for AKSS920453BXAA — 20162904

Name: OEM Goodman Primary Limit Control for AKSS920453BXAA — 20162904
Brand: Goodman
SKU: GOODMAN-3696
Price: 35.95 USD
Availability: InStock

SKU: GOODMAN-3696 Brand: Goodman

$35.95 $46.99

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The Goodman 20162904 is a genuine OEM primary high-limit temperature control designed for the AKSS920453BXAA gas furnace and compatible Goodman/Amana models. This safety switch continuously monitors heat-exchanger temperature and opens the circuit to shut off the burners if the furnace overheats — protecting against restricted airflow, a failed blower, or a plugged filter. A tripped or failed limit control is a common cause of short-cycling and no-heat calls.

Specifications

Function: Primary high-limit / auto-reset temperature control
Type: Bimetallic snap-disc safety switch
Fits: Goodman AKSS920453BXAA and compatible furnaces
Role: Cuts burner power on over-temperature
Replacement: Direct-fit OEM component

OEM vs. Generic

The OEM 20162904 is calibrated to the exact trip and reset temperatures Goodman specifies for this furnace's heat exchanger. Generic limit switches often use approximate temperature ratings, which can allow dangerous overheating or cause nuisance trips. Because this is a life-safety device, the genuine OEM part is strongly recommended.

Installation Difficulty

Easy to Moderate — The switch is typically mounted with two screws and two spade terminals. Power should be disconnected first, and the root cause of any overheating (dirty filter, blower failure, blocked ducts) should be corrected 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 Primary Limit Contro...

$35.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman AKSS920453BXAA — 20162904?

Yes. This is the factory-specified OEM limit switch for the Goodman AKSS920453BXAA — 20162904. 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 AKSS920453BXAA — 20162904?

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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