What are the specs for this Limit Switch?

The correct replacement for Goodman model AMVC80804CNBD — 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 AMVC80804CNBD — 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 AMVC80804CNBD — 20162904

Name: OEM Goodman Primary Limit Temperature Control for AMVC80804CNBD — 20162904
Brand: Goodman
SKU: GOODMAN-8318
Price: 35.95 USD
Availability: InStock

SKU: GOODMAN-8318 Brand: Goodman

$35.95 $46.95

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Goodman 20162904 Primary Limit Temperature Control

The Goodman 20162904 is a genuine OEM primary limit temperature control built for direct-fit replacement in AMVC80804CNBD gas furnaces. Mounted on the heat exchanger or blower deck, this primary high-limit continuously monitors supply-air temperature and de-energizes the burners if the furnace overheats — the first line of defense against a cracked heat exchanger or blocked airflow. Unlike a manual switch, it automatically resets once temperature returns to a safe range.

Specifications

Type: Primary high-limit temperature control
Function: Auto-reset over-temperature safety cutout
Sensing: Supply-air / heat-exchanger temperature
OEM Part Number: 20162904
Fits: Goodman/Amana AMVC80804CNBD and compatible models

OEM vs. Generic

The OEM Goodman primary limit is factory-calibrated to your furnace's specific trip temperature and mounting footprint. Generic substitutes risk incorrect setpoints and improper fit, leading to nuisance lockouts or inadequate protection. For this critical safety control, OEM is strongly recommended.

Installation Difficulty

Moderate — disconnect power, remove the mounting screws and wiring, and install the exact replacement in the same orientation. Confirm proper cycling and limit operation before restoring 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 Primary Limit Temper...

$35.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman AMVC80804CNBD — 20162904?

Yes. This is the factory-specified OEM limit switch for the Goodman AMVC80804CNBD — 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 AMVC80804CNBD — 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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