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OEM Carrier Flame Sensor 90° for PY3PPA030040NB — 48GS400192
OEM Carrier Flame Sensor 90° for PY3PPA030040NB — 48GS400192
OEM Carrier Flame Sensor 90° for PY3PPA030040NB — 48GS400192
OEM Carrier Flame Sensor 90° for PY3PPA030040NB — 48GS400192
Carrier

OEM Carrier Flame Sensor 90° for PY3PPA030040NB — 48GS400192

SKU: CARRIE-PY3PPA030040NB-FLAME_SENSOR-48GS400192 Brand: Carrier
Guaranteed to fit 48GS400192 — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Flame Sensor (48GS400192) for Model PY3PPA030040NB

This OEM flame sensor is the factory-specified replacement for the Carrier PY3PPA030040NB packaged gas unit. The flame rod uses ionization/rectification technology to confirm burner ignition — it passes a small electrical current through the flame and verifies a return signal to the control board. If the sensor is coated, cracked, or out of position, the board will cut gas within 5–8 seconds of ignition, triggering a no-heat lockout condition. Replacing this sensor with the correct OEM part restores reliable flame confirmation and prevents nuisance lockouts.

  • Specs: 90-degree mounting bracket | Rod length approx. 1.6 in. | Overall dimensions approx. 4.9 in. × 1.75 in. | OEM Part # 48GS400192 | Carrier factory-genuine
  • OEM vs Generic: OEM sensors are precision-formed to the exact rod geometry and alloy spec. Generic sensors frequently vary in rod angle and material, leading to weak rectification signal and continued nuisance shutdowns.
  • Install Difficulty: 2/5 — Turn off power and gas before servicing. Tools needed: 1/4" hex driver, needle-nose pliers, and a fine Scotch-Brite pad to lightly polish the rod. Always inspect the lead wire connector for heat damage before reinstalling.
  • Warranty: 1-year OEM factory warranty against manufacturing defects. Ships same business day from our warehouse stock.

Compatibility: Designed for the Carrier PY3PPA030040NB packaged gas/electric unit. Verify OEM part number 48GS400192 on your unit's existing sensor or equipment data plate before ordering. Our fitment team is available to confirm compatibility before you buy — order with confidence and get back to heat fast.

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 PY3PPA030040NB — 48GS400192?
Yes. This is the factory-specified OEM flame sensor for the Carrier PY3PPA030040NB — 48GS400192. 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 PY3PPA030040NB — 48GS400192?
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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Mike Rivera
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