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OEM Carrier Flame Sensor 90° w/ Mounting for PY1PJB048090AAAA
OEM Carrier Flame Sensor 90° w/ Mounting for PY1PJB048090AAAA
OEM Carrier Flame Sensor 90° w/ Mounting for PY1PJB048090AAAA
OEM Carrier Flame Sensor 90° w/ Mounting for PY1PJB048090AAAA
Carrier

OEM Carrier Flame Sensor 90° w/ Mounting for PY1PJB048090AAAA

SKU: CARRIE-PY1PJB048090AAAA-FLAME_SENSOR-48GS400192 Brand: Carrier
✓ Guaranteed to fit PY1PJB048090AAAA — 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 PY1PJB048090AAAA

This is the factory OEM replacement flame sensor (part #48GS400192) for the Carrier PY1PJB048090AAAA gas furnace. The flame sensor is a safety-critical component: it uses electrical rectification/ionization to detect whether the burner has successfully ignited. When the control board calls for heat, it monitors a small microamp current through the flame rod. If the sensor is coated with oxidation or has failed outright, the board cannot confirm flame presence and will shut off the gas valve — typically 5 to 8 seconds after ignition — triggering a lockout fault. Replacing the flame sensor is one of the most common and cost-effective furnace repairs.

  • Specs: 90-degree flame rod with mounting bracket | OEM part #48GS400192 | Factory-matched geometry and rod material for accurate microamp signal | Compatible with standard 1/4" female quick-connect terminal
  • OEM vs Generic: This is a genuine Carrier OEM part, ensuring exact rod length, bend angle, and bracket dimensions. Aftermarket sensors may vary in rod geometry, leading to unreliable flame signal readings and nuisance lockouts.
  • Install difficulty: 2/5 — Power off and allow burner to cool before servicing. Tools needed: 1/4" nut driver, needle-nose pliers, fine steel wool or emery cloth (to clean rod if reusing). Disconnect the single wire lead, remove the mounting screw, swap the sensor, and reconnect. Always verify microamp reading with a multimeter after installation.
  • Warranty: 1-year OEM manufacturer warranty against defects. Ships same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier PY1PJB048090AAAA gas furnace. Verify your unit's data plate and existing part number before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before you buy — contact us today. In stock and ships same business day.

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 PY1PJB048090AAAA?
Yes. This is the factory-specified OEM flame sensor for the Carrier PY1PJB048090AAAA. 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 PY1PJB048090AAAA?
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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