What are the specs for this Limit Switch?

The correct replacement for Goodman model GMH951155DXAE — 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 GMH951155DXAE — 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 150°F Primary Limit Switch for GMH951155DXAE — 20162903

Name: OEM Goodman 150°F Primary Limit Switch for GMH951155DXAE — 20162903
Brand: Goodman
SKU: GOODMAN-11523
Price: 8.95 USD
Availability: InStock

SKU: GOODMAN-11523 Brand: Goodman

$8.95 $11.50

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Goodman 20162903 Primary Limit Switch (150°F)

Protect your Goodman GMH951155DXAE furnace from overheating with this genuine OEM primary high-limit switch, factory-calibrated to a 150°F trip point. Mounted on the heat exchanger or plenum, the primary limit continuously monitors supply-air temperature. If airflow is lost — from a dirty filter, failed blower, or closed dampers — the switch opens the gas valve circuit to prevent dangerous heat buildup, then automatically resets once temperatures return to normal.

Specifications

Type: Primary high-limit switch, auto-reset
Trip Temperature: 150°F (factory-calibrated)
OEM Part Number: 20162903
Function: High-temperature airflow safety cutout
Fits: Goodman GMH951155DXAE and compatible 95% furnaces
Brand: Goodman OEM

OEM vs. Generic

The 150°F setpoint on the OEM 20162903 is matched to this furnace's heat-exchanger design and blower table. A generic limit with a different trip temperature or bimetal tolerance can cause repeated short-cycling on limit or, more dangerously, allow the unit to run hotter than designed. For a primary safety control, insist on the genuine OEM part with the correct rating.

Installation Difficulty

Easy — About 10–15 minutes. Turn off power, disconnect the two spade terminals, remove the mounting screws, seat the new limit against the same surface, and reconnect. No special tools. If the old limit was tripping, correct the underlying airflow restriction (filter, blower, ductwork) before returning the furnace to service.

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 150°F Primary Limit ...

$8.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman GMH951155DXAE — 20162903?

Yes. This is the factory-specified OEM limit switch for the Goodman GMH951155DXAE — 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 GMH951155DXAE — 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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