What are the specs for this Door Switch?

The correct replacement for Goodman model GUS125-5 — B1370819 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 GUS125-5 — B1370819.

What symptoms indicate I need a new door switch?

Common symptoms that indicate you need a new door 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 door 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.

IMAGE COMING SOON

Goodman

OEM Goodman Furnace Door Interlock Switch for GUS125-5 — B1370819

Name: OEM Goodman Furnace Door Interlock Switch for GUS125-5 — B1370819
Brand: Goodman
SKU: GOODMAN-13358
Price: 22.95 USD
Availability: InStock

SKU: GOODMAN-13358 Brand: Goodman

$22.95 $29.95

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

The Goodman B1370819 Door Switch is a genuine OEM blower-door interlock safety switch for the GUS125-5 furnace and compatible Goodman & Amana units. This normally-open plunger switch cuts power to the furnace when the blower access panel is removed, preventing the unit from running with the door off. A stuck, broken, or bypassed door switch is a common cause of a furnace that won't start — the plunger must be depressed by a properly seated panel to complete the circuit.

Specifications

Type: Plunger-actuated interlock (blower-door safety)
Action: Normally open; closes when panel is installed
OEM Part Number: B1370819
Fits: Goodman GUS125-5 and select Goodman/Amana furnaces
Function: De-energizes furnace when access door is open

OEM vs. Generic

The OEM B1370819 matches the original plunger length and mounting footprint so the panel actuates it correctly — a critical detail, since a mismatched generic switch may not close reliably and can cause intermittent no-heat calls. For dependable safety operation, choose OEM.

Install Difficulty

Easy. Two wires and one or two mounting screws, plus verifying plunger alignment with the door. About 15–20 minutes. Disconnect power at the breaker before servicing. Never tape down or bypass this switch — it exists for your safety.

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 Furnace Door Interlo...

$22.95

Frequently Asked Questions

Does this Door Switch fit my Goodman GUS125-5 — B1370819?

Yes. This is the factory-specified OEM door switch for the Goodman GUS125-5 — B1370819. 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 door switch on my Goodman GUS125-5 — B1370819?

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 door switch?

Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.

Is this door 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 door 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.

Menu