What are the specs for this Limit Switch?

The correct replacement for Goodman model WFD195070S3BAA — 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 WFD195070S3BAA — 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 WFD195070S3BAA — 20162904

Name: OEM Goodman Primary Limit Temperature Control for WFD195070S3BAA — 20162904
Brand: Goodman
SKU: GOODMAN-20162904
Price: 59.95 USD
Availability: InStock

SKU: GOODMAN-20162904 Brand: Goodman

$59.95 $79.95

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Goodman 20162904 Primary Limit Temperature Control

The Goodman 20162904 is a genuine OEM primary limit temperature control for the WFD195070S3BAA gas furnace and compatible Goodman and Amana models. This automatic high-limit switch monitors supply-air temperature in the heat exchanger area and opens the burner circuit if the furnace overheats — typically from restricted airflow such as a dirty filter, blocked ducts, or a failed blower. It automatically resets once temperatures return to a safe range. As the furnace's front-line thermal protection, a correctly rated primary limit is essential for safe, code-compliant operation.

Specifications

Type: Primary high-limit temperature control (auto reset)
Contacts: Normally closed (opens on over-temperature)
Function: Supply-air high-limit safety cutout
Fit: Goodman WFD195070S3BAA and compatible Goodman/Amana furnaces
OEM Part Number: 20162904
Reset: Automatic on cool-down

OEM vs. Generic

The OEM Goodman limit is calibrated to the precise trip temperature and insertion depth specified for your heat exchanger. Generic limits with a different setpoint or probe length can nuisance-trip or, worse, fail to cut out at the correct temperature. For a life-safety control, install only the OEM-matched part.

Install Difficulty

Moderate (2/5). Disconnect furnace power, note wire positions, unplug the terminals, remove the two mounting screws, and install the new limit with the sensing element inserted to the same depth. Confirm heating cycle and airflow before returning to service. Best performed by an experienced DIYer or HVAC 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 Temper...

$59.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman WFD195070S3BAA — 20162904?

Yes. This is the factory-specified OEM limit switch for the Goodman WFD195070S3BAA — 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 WFD195070S3BAA — 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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