What are the specs for this Limit Switch?

The correct replacement for Goodman model AMS950453BXA — 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 AMS950453BXA — 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 Temperature Control for AMS950453BXA — 20162904

Name: OEM Goodman Primary Limit Temperature Control for AMS950453BXA — 20162904
Brand: Goodman
SKU: GOODMAN-7294
Price: 35.95 USD
Availability: InStock

SKU: GOODMAN-7294 Brand: Goodman

$35.95 $46.95

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Goodman 20162904 Primary Limit Temperature Control

The OEM Goodman 20162904 primary limit temperature control is the main high-limit safety device for the AMS950453BXA gas furnace and compatible Goodman/Amana models. Mounted on the heat exchanger or blower deck, it continuously monitors supply-air temperature. If airflow is restricted—by a dirty filter, failed blower, or blocked ducts—and the plenum overheats, the limit opens the circuit to shut off the burners, protecting the heat exchanger from cracking and preventing a fire hazard. It also coordinates blower operation on some models.

Specifications

Type: Primary (main) high-limit temperature control
Function: Opens burner circuit on plenum overtemperature
Reset: Automatic (closes when temperature normalizes)
Mounting: OEM bracket-fit for AMS950453BXA
Calibration: Factory-set trip temperature

OEM vs. Generic

The genuine OEM 20162904 uses Goodman's precise trip and reset temperatures and the correct bracket geometry. Generic substitutes with different ratings can nuisance-trip, short-cycle the furnace, or—worse—fail to protect the heat exchanger. Because this is the primary safety limit, OEM is strongly recommended and helps preserve warranty coverage.

Install Difficulty

Easy (2/5). Usually two mounting screws and two wire connectors. Shut off gas and electrical power before servicing. If the furnace repeatedly trips on limit, check for airflow restrictions—replace the filter and confirm blower operation—rather than defeating the safety control.

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 Temper...

$35.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman AMS950453BXA — 20162904?

Yes. This is the factory-specified OEM limit switch for the Goodman AMS950453BXA — 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 AMS950453BXA — 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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