What are the specs for this Flame Sensor?

The correct replacement for Goodman model GUS100-4 Gas Furnace — B1172605 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 GUS100-4 Gas Furnace — B1172605.

Is this flame sensor 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 Flame Sensor for GUS100-4 Gas Furnace — B1172605

Name: OEM Goodman Flame Sensor for GUS100-4 Gas Furnace — B1172605
Brand: Goodman
SKU: GOODMAN-13345
Price: 7.95 USD
Availability: InStock

SKU: GOODMAN-13345 Brand: Goodman

$7.95 $10.95

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The Goodman B1172605 Flame Sensor is the genuine OEM flame-rectification rod for the GUS100-4 gas furnace. This sensor tells the control board that a flame is present after ignition; when it becomes coated with oxide or silica the furnace will light, run a few seconds, then shut off on a failed flame-sense — one of the most common no-heat callbacks. Replacing this inexpensive part restores dependable, uninterrupted heating.

Part Number: B1172605
Type: Flame sensor / flame-rectification rod
Fits: Goodman GUS100-4 gas furnace
Function: Confirms burner flame to the ignition control
Material: Kanthal sensing rod with ceramic insulator

OEM vs. Generic

This is a genuine Goodman OEM sensor built to the exact rod length, bracket geometry, and terminal spec of the original — a drop-in fit with no bending or adapting. Generic universal sensors can work but often require repositioning within the flame and may sit at the wrong height, causing weak or intermittent flame signal. For a furnace as ignition-sensitive as the GUS100-4, OEM is the reliable choice.

Installation Difficulty

Easy (1/5). Cut power, remove one screw, unplug the spade terminal, and swap. A light polish of the new rod's contact area with fine steel wool before install ensures a clean flame signal. Most homeowners complete this in under 15 minutes.

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 Flame Sensor for GUS...

$7.95

Frequently Asked Questions

Does this Flame Sensor fit my Goodman GUS100-4 Gas Furnace — B1172605?

Yes. This is the factory-specified OEM flame sensor for the Goodman GUS100-4 Gas Furnace — B1172605. 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 flame sensor on my Goodman GUS100-4 Gas Furnace — B1172605?

Difficulty: Easy (10–15 min)
Step 1: Turn off power/gas. Step 2: Open furnace panel. Step 3: Locate flame sensor rod near burners. Step 4: Remove single mounting screw. Step 5: Clean rod with 400-grit sandpaper until shiny (or replace). Step 6: Reinstall and tighten. Most common furnace repair — saves $150–$300 vs technician.

My furnace lights then shuts off after a few seconds. Why?

Furnace lights then shuts off after 3–10 seconds = dirty flame sensor in 90% of cases. The sensor can’t detect flame through oxidation buildup. Fix: clean with 400-grit sandpaper (free, 15 min). If cleaning doesn’t work, replace the sensor.

Is this flame sensor 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 flame sensor?

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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