What are the specs for this Limit Switch?

The correct replacement for Goodman model OEM Goodman 240°F 3" Primary Limit Switch GMPV100-3 — 1370903S 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 OEM Goodman 240°F 3" Primary Limit Switch GMPV100-3 — 1370903S.

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 240°F 3" Primary Limit Switch GMPV100-3 — 1370903S

Name: OEM Goodman 240°F 3" Primary Limit Switch GMPV100-3 — 1370903S
Brand: Goodman
SKU: GOODMAN-12147
Price: 29.95 USD
Availability: InStock

SKU: GOODMAN-12147 Brand: Goodman

$29.95 $38.95

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The Goodman 1370903S Primary Limit Switch is a genuine OEM safety control for the GMPV100-3 furnace and compatible Goodman/Amana models. Rated to open at 240°F with a 3-inch insert length, this high-limit switch shuts off the burners if the heat exchanger temperature climbs too high — protecting the furnace and home from overheating.

Specifications

OEM Part Number: 1370903S
Part Type: Primary High-Limit Switch
Trip Temperature: 240°F (auto-reset)
Insert Length: 3 inches
Brand: Goodman
Equipment: Gas Furnace
Primary Fit: GMPV100-3

Symptoms of a Bad Limit Switch

Furnace short cycles on high limit, blower runs constantly, or the unit trips to lockout during a heat call. A restricted airflow condition (dirty filter, closed vents) can also trip a healthy switch — verify airflow before replacing.

OEM vs. Generic

The OEM Goodman 1370903S guarantees the exact 240°F trip point and 3" insert depth required for safe operation. A generic equivalent can save money but must match both the temperature rating and insert length precisely — mismatches compromise safety. For a safety-critical control, OEM is strongly recommended.

Installation Difficulty: Easy

Cut power, remove two mounting screws, disconnect the two spade terminals, and install the replacement in the same orientation. Estimated time: 15 minutes. A safe DIY repair when airflow issues are ruled out first.

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 240°F 3" Primary Lim...

$29.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman OEM Goodman 240°F 3" Primary Limit Switch GMPV100-3 — 1370903S?

Yes. This is the factory-specified OEM limit switch for the Goodman OEM Goodman 240°F 3" Primary Limit Switch GMPV100-3 — 1370903S. 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 OEM Goodman 240°F 3" Primary Limit Switch GMPV100-3 — 1370903S?

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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