What are the specs for this Limit Switch?

The correct replacement for Goodman model DDS80904BXA — B1370195 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 DDS80904BXA — B1370195.

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 300F Primary Limit Switch for DDS80904BXA — B1370195

Name: OEM Goodman 300F Primary Limit Switch for DDS80904BXA — B1370195
Brand: Goodman
SKU: GOODMAN-9451
Price: 10.95 USD
Availability: InStock

SKU: GOODMAN-9451 Brand: Goodman

$10.95 $13.99

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The Goodman B1370195 Primary Limit Switch is the genuine OEM high-temperature safety control for the DDS80904BXA gas furnace and related Goodman/Amana 80% AFUE units. Mounted on the heat-exchanger partition, this normally-closed limit opens the burner circuit if plenum temperatures exceed a safe threshold — the primary protection against a blocked filter, failed blower, or restricted ductwork overheating the furnace.

Specifications

Cutoff temperature: 300°F (auto-reset)
Function: Primary high-temperature safety limit
Contact type: Normally closed (opens on temperature rise)
Fits model: Goodman DDS80904BXA and compatible furnaces
OEM part number: B1370195

OEM vs. Generic

The OEM Goodman limit is set to Goodman's exact 300°F factory trip point with the correct insertion depth and bracket. Because this switch protects the heat exchanger, matching the factory calibration matters — an off-spec generic can trip early (short-cycling, no heat) or too late (overheating risk). Choose OEM for a guaranteed-correct safety response.

Installation Difficulty

Easy (1/5) — Two mounting screws and two spade connectors. De-energize power and shut off the gas valve first. A straightforward 15–20 minute repair for a DIYer comfortable inside a furnace cabinet.

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 300F Primary Limit S...

$10.95

Frequently Asked Questions

Does this Limit Switch fit my Goodman DDS80904BXA — B1370195?

Yes. This is the factory-specified OEM limit switch for the Goodman DDS80904BXA — B1370195. 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 DDS80904BXA — B1370195?

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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