What are the specs for this Limit Switch?

The correct replacement for Goodman model GMH950904CXAD — 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 GMH950904CXAD — 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 GMH950904CXAD — 20162904

Name: OEM Goodman Primary Limit Temperature Control for GMH950904CXAD — 20162904
Brand: Goodman
SKU: GOODMAN-11331
Price: 35.95 USD
Availability: InStock

SKU: GOODMAN-11331 Brand: Goodman

$35.95 $46.95

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Goodman 20162904 Primary Limit Temperature Control

The Goodman 20162904 is a genuine OEM primary high-limit temperature control switch built for the GMH950904CXAD 96% AFUE two-stage gas furnace. Mounted on the heat exchanger or blower deck, this snap-disc safety control continuously monitors furnace temperature and opens the ignition/gas valve circuit if the unit overheats — protecting the heat exchanger from cracking and preventing a fire hazard.

A failed limit switch is a common cause of a furnace that short-cycles, blows cool air, or locks out on a limit fault. Installing the correct OEM control restores proper safety operation and clears nuisance shutdowns.

Specifications

OEM Part Number: 20162904
Function: Primary high-limit safety cutout
Type: Automatic-reset snap-disc thermostat
Fits: Goodman GMH950904CXAD and compatible furnaces
Category: Limit Switch / Safety Control

OEM vs. Generic

The OEM 20162904 is calibrated to the exact trip and reset temperatures your furnace requires. Generic limits with different set points can trip early (frequent shutdowns) or trip late (bypassing critical overheat protection). Because this is a life-safety component, OEM is the recommended choice.

Installation Difficulty

Moderate — the switch is held by two screws with quarter-inch spade terminals, but correct placement and wiring are essential. We recommend a qualified HVAC technician verify airflow and temperature rise after replacement, since a tripping limit is often a symptom of a dirty filter or blower problem.

Disconnect power before servicing.

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...

$35.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman GMH950904CXAD — 20162904?

Yes. This is the factory-specified OEM limit switch for the Goodman GMH950904CXAD — 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 GMH950904CXAD — 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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