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OEM Carrier Flame Sensor 50HJ401431 for PY1REA090125ACWA
OEM Carrier Flame Sensor 50HJ401431 for PY1REA090125ACWA
OEM Carrier Flame Sensor 50HJ401431 for PY1REA090125ACWA
OEM Carrier Flame Sensor 50HJ401431 for PY1REA090125ACWA
Carrier

OEM Carrier Flame Sensor 50HJ401431 for PY1REA090125ACWA

SKU: CARRIE-PY1REA090125ACWA-FLAME_SENSOR-50HJ401431 Brand: Carrier
✓ Guaranteed to fit PY1REA090125ACWA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Flame Sensor 50HJ401431 for Model PY1REA090125ACWA

This OEM flame sensor (part number 50HJ401431) is the factory-specified replacement for the Carrier PY1REA090125ACWA packaged gas unit. The flame sensor — also called a flame rod — is a safety device that detects the presence of a burner flame by passing a small microamp current through the flame to ground. When the sensor's rod becomes coated with oxidation or carbon buildup, the control board can no longer confirm ignition and shuts the burner down as a safety measure, typically within 5–8 seconds of startup. Replacing this sensor with a genuine OEM part restores factory-calibrated signal strength and prevents nuisance lockouts.

  • Specs: OEM part number 50HJ401431 | Factory flame rod assembly | Direct plug-in connector | Calibrated for Carrier IFC control board microamp threshold
  • OEM vs Generic: This is a genuine Carrier OEM flame sensor, manufactured to exact factory tolerances. Generic aftermarket sensors can have inconsistent rod coatings and connector fits, causing intermittent or repeated lockout faults even after cleaning.
  • Install Difficulty: 2/5 — Disconnect power and shut off gas before servicing. Tools needed: 1/4" hex driver, needle-nose pliers, multimeter (microamp mode to verify signal after install). Always confirm microamp reading is within board specification (typically 1.5–4 µA) before closing the unit.
  • Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier PY1REA090125ACWA packaged gas/electric unit. Always cross-reference the part number on your existing sensor and verify model data plate before ordering. Our fitment team is available to confirm compatibility before you buy — same-day shipping on all in-stock orders.

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 $99
  • 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

Frequently Asked Questions

Does this Flame Sensor fit my Carrier PY1REA090125ACWA?
Yes. This is the factory-specified OEM flame sensor for the Carrier PY1REA090125ACWA. 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 Carrier PY1REA090125ACWA?
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 Carrier 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 Carrier 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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