What are the specs for this Limit Switch?

The correct replacement for Goodman model GMH950704CXAD Furnace — 20162903 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 GMH950704CXAD Furnace — 20162903.

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 150F Primary Limit Switch for GMH950704CXAD Furnace — 20162903

Name: OEM Goodman 150F Primary Limit Switch for GMH950704CXAD Furnace — 20162903
Brand: Goodman
SKU: GOODMAN-20162903
Price: 24.95 USD
Availability: InStock

SKU: GOODMAN-20162903 Brand: Goodman

$24.95 $32.95

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The Goodman 20162903 Primary Limit Switch is the OEM high-limit safety control for the GMH950704CXAD 96% AFUE two-stage gas furnace. Mounted on the heat exchanger bulkhead, this normally-closed switch opens at 150°F to shut off the burners if the furnace overheats due to restricted airflow, a dirty filter, or a failed blower — protecting the heat exchanger and preventing unsafe operation.

Specifications

Part Number: 20162903
Type: Primary high-limit switch, auto-reset
Trip Temperature: 150°F (open on rise)
Contacts: Normally closed (SPST)
Fits: Goodman GMH950704CXAD and compatible GMH95 series furnaces

OEM vs. Generic

This is a genuine Goodman OEM switch, calibrated to the exact 150°F trip point specified for your furnace. Generic or universal limit switches often use a different trip temperature or mounting footprint, which can cause nuisance lockouts or, worse, allow overheating. For a safety control, we strongly recommend the OEM part.

Installation Difficulty

Easy (2/5). Two mounting screws and two spade terminals. Always shut off power and gas before servicing. If the limit trips repeatedly after replacement, check airflow and filters — the switch is doing its job.

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 150F Primary Limit S...

$24.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman GMH950704CXAD Furnace — 20162903?

Yes. This is the factory-specified OEM limit switch for the Goodman GMH950704CXAD Furnace — 20162903. 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 GMH950704CXAD Furnace — 20162903?

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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