What are the specs for this Limit Switch?

The correct replacement for Goodman model WGGE4542 — 20269903 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 WGGE4542 — 20269903.

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 Auxiliary Limit Auto Reset Switch for WGGE4542 — 20269903

Name: OEM Goodman Auxiliary Limit Auto Reset Switch for WGGE4542 — 20269903
Brand: Goodman
SKU: GOODMAN-14800
Price: 18.95 USD
Availability: InStock

SKU: GOODMAN-14800 Brand: Goodman

$18.95 $24.95

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Texas CMBL #19328542014

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The Goodman 20269903 Auxiliary Limit Auto Reset Switch is a genuine OEM high-limit safety control designed for Goodman and Amana WGGE4542A115MAA gas furnaces. This auxiliary limit protects the heat exchanger and blower housing from overheating by opening the control circuit when the internal temperature exceeds its rated setpoint, then automatically resetting once temperatures return to normal — no manual intervention required.

Specifications

Type: Auxiliary high-limit switch, automatic reset
Function: Overheat / rollout safety cutout
Fitment: Goodman/Amana WGGE4542A115MAA and compatible gas furnace models
OEM Part Number: 20269903
Brand: Goodman (genuine OEM)

OEM vs. Generic

The genuine OEM 20269903 is calibrated to the exact trip temperature specified for your furnace, ensuring the safety circuit behaves as the manufacturer intended. Generic replacements may carry a slightly different setpoint or bracket geometry, which can cause nuisance trips or improper fit. For a safety-critical component like a limit switch, we recommend the OEM part.

Install Difficulty

Easy (1/5). Two spade terminals and a mounting screw or clip. Always disconnect power at the breaker before servicing. If the switch continuously trips after replacement, contact a licensed 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 Auxiliary Limit Auto...

$18.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman WGGE4542 — 20269903?

Yes. This is the factory-specified OEM limit switch for the Goodman WGGE4542 — 20269903. 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 WGGE4542 — 20269903?

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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