What are the specs for this Limit Switch?

The correct replacement for Goodman model GMH950453BXAE — 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 GMH950453BXAE — 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 GMH950453BXAE — 20162904

Name: OEM Goodman Primary Limit Temperature Control for GMH950453BXAE — 20162904
Brand: Goodman
SKU: GOODMAN-11135
Price: 35.95 USD
Availability: InStock

SKU: GOODMAN-11135 Brand: Goodman

$35.95 $47.95

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Goodman 20162904 Primary Limit Temperature Control

The Goodman 20162904 is a genuine OEM primary high-limit temperature control engineered for the GMH950453BXAE gas furnace and compatible Goodman/Amana models. This safety limit switch continuously monitors heat-exchanger and plenum temperature, opening the circuit to shut the burners down if the furnace overheats — protecting the heat exchanger, blower, and your home from unsafe conditions.

Specifications

Type: Primary high-limit / temperature control
Function: Automatic reset overheat safety cutout
Fits: Goodman GMH950453BXAE and select 90%+ AFUE furnaces
Equipment: Gas furnace
OEM Part Number: 20162904
Brand: Goodman (Amana compatible)

OEM vs. Generic

Our OEM Goodman limit control is calibrated to the exact factory trip temperature for the GMH950453BXAE, guaranteeing correct staging and safety response. Generic replacements may use a close-but-not-exact set point, which can cause nuisance lockouts or delayed protection. For a safety-critical control, we recommend OEM.

Install Difficulty: Easy

Replacement typically takes 15–20 minutes with basic hand tools. Cut power at the disconnect, remove the two mounting screws, transfer the wire terminals, and reinstall. Always verify furnace operation and limit trip after installation.

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 GMH950453BXAE — 20162904?

Yes. This is the factory-specified OEM limit switch for the Goodman GMH950453BXAE — 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 GMH950453BXAE — 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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