What are the specs for this Limit Switch?

The correct replacement for Goodman model AMH80403ANBD — 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 AMH80403ANBD — 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 AMH80403ANBD — 20162901

Name: OEM Goodman Primary Limit Switch for AMH80403ANBD — 20162901
Brand: Goodman
SKU: GOODMAN-4946
Price: 26.95 USD
Availability: InStock

SKU: GOODMAN-4946 Brand: Goodman

$26.95 $34.95

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Goodman 20162901 Primary High-Limit Switch

The Goodman 20162901 is a genuine OEM primary high-limit switch designed as a direct replacement for the Amana/Goodman AMH80403ANBD gas furnace. This thermally-activated safety control monitors heat-exchanger temperature and opens the circuit to shut off the burners if the furnace overheats — protecting against restricted airflow, dirty filters, or blower failure. A failed limit switch is a common cause of a furnace that short-cycles or won't fire at all.

Specifications

Part number: 20162901
Function: Primary high-limit / overheat safety switch
Fits: Amana/Goodman AMH80403ANBD gas furnace
Type: Snap-disc automatic-reset thermal limit
Mounting: OEM factory bracket fit
Genuine OEM Goodman / Amana component

OEM vs. Generic

OEM 20162901 is calibrated to the exact open/close temperature setpoint specified for this furnace's heat exchanger. Generic snap-discs may carry a different trip temperature, which can either nuisance-trip during normal operation or fail to protect the unit. For a safety-critical control, use the OEM part.

Installation Difficulty

Easy — Disconnect power at the breaker, remove the two mounting screws, transfer the wire connectors to the new switch, and remount. Typically a 15-minute repair for a homeowner comfortable with basic tools; otherwise call a technician.

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 AMH80403ANBD — 20162901?

Yes. This is the factory-specified OEM limit switch for the Goodman AMH80403ANBD — 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 AMH80403ANBD — 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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