What are the specs for this Limit Switch?

The correct replacement for Goodman model VMS80403ANAA — 20162901 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 VMS80403ANAA — 20162901.

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 Switch for VMS80403ANAA — 20162901

Name: OEM Goodman Primary Limit Switch for VMS80403ANAA — 20162901
Brand: Goodman
SKU: GOODMAN-13670
Price: 26.95 USD
Availability: InStock

SKU: GOODMAN-13670 Brand: Goodman

$26.95 $35.95

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The Goodman 20162901 Primary Limit Switch is a genuine OEM high-temperature safety control engineered specifically for the VMS80403ANAA gas furnace and compatible Goodman/Amana models. Mounted on the heat exchanger or burner assembly, this normally-closed thermal switch continuously monitors supply-air temperature and opens the ignition/gas circuit if the furnace overheats — protecting the heat exchanger, blower housing, and your home from unsafe operating conditions.

Specifications

Type: Primary high-limit / auto-reset thermal switch
Function: Opens gas valve circuit on overtemperature
Fit: Goodman VMS80403ANAA and cross-compatible 80% AFUE furnaces
Terminals: Factory-matched spade connectors
Part Number: 20162901 (OEM)

OEM vs. Generic

This is a genuine Goodman OEM part, calibrated to the exact trip temperature and physical mounting the VMS80403ANAA was designed around. Generic universal limit switches often carry the wrong trip point or mounting bracket, which can cause nuisance lockouts or, worse, fail to trip when needed. For a safety-critical control, we recommend the OEM part.

Installation Difficulty

Easy (2/5). A do-it-yourself replacement for most homeowners with basic tools. Always disconnect power to the furnace before servicing. Remove the two mounting screws, transfer the wire leads one at a time to avoid mix-ups, and reinstall. If you are unsure why the original switch failed, have a licensed HVAC technician verify there is no underlying airflow or heat-exchanger problem.

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 Switch...

$26.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman VMS80403ANAA — 20162901?

Yes. This is the factory-specified OEM limit switch for the Goodman VMS80403ANAA — 20162901. 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 VMS80403ANAA — 20162901?

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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