What are the specs for this Limit Switch?

The correct replacement for Goodman model AMS80905CXA — B1370155 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 AMS80905CXA — B1370155.

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 120F Auxiliary Limit Switch for AMS80905CXA — B1370155

Name: OEM Goodman 120F Auxiliary Limit Switch for AMS80905CXA — B1370155
Brand: Goodman
SKU: GOODMAN-7115
Price: 11.96 USD
Availability: InStock

SKU: GOODMAN-7115 Brand: Goodman

$11.96 $15.95

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Goodman B1370155 Auxiliary Limit Switch (120°F)

The B1370155 is a genuine OEM auxiliary (rollout/high-limit) safety switch engineered for the Goodman/Amana AMS80905CXA 80% AFUE gas furnace and many related models. This normally-closed thermal switch opens the control circuit at approximately 120°F to shut down the burners if heat is detected outside the normal firing path — protecting the cabinet, wiring, and homeowner from an overheat or flame-rollout condition.

Specifications

Open temperature: 120°F (auto-reset)
Type: Normally-closed thermal limit / rollout switch
Terminals: 1/4" quick-connect spade
Mounting: Bracket-mount, direct OEM replacement
Fits: Goodman & Amana AMS80905CXA and compatible 80% gas furnaces

OEM vs. Generic

This is a factory-original Goodman part, calibrated to the exact trip point your furnace's control board and safety logic expect. Aftermarket switches often use looser temperature tolerances that can cause nuisance lockouts or, worse, fail to trip. For a safety-critical control, we recommend the OEM part.

Installation Difficulty

Easy (1/5). Cut power at the breaker, unplug the two spade connectors, remove the mounting screw, and swap in the new switch. Most technicians complete this in under 10 minutes. Always cycle the furnace after replacement to confirm normal operation. If the limit trips repeatedly, investigate airflow (dirty filter, blocked vents, or blower issues) before assuming the switch is bad.

Restore proper safety protection to your furnace with a genuine Goodman B1370155.

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 120F Auxiliary Limit...

$11.96

Frequently Asked Questions

Does this Limit Switch fit my Goodman AMS80905CXA — B1370155?

Yes. This is the factory-specified OEM limit switch for the Goodman AMS80905CXA — B1370155. 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 AMS80905CXA — B1370155?

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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