🔥 Furnace Flame Sensor | Replaces Lennox® 98M87 & Armstrong® R44745‑001



Restore safe and reliable furnace operation with this brand‑new Exact Replacement Parts flame sensor. Designed as a direct replacement for Lennox® part 98M87 and Armstrong® part R44745‑001, this sensor detects burner flame presence and ensures proper ignition control. A failing flame sensor can cause short‑cycling, ignition failure, or complete furnace shutdown — replacing it restores dependable heating performance.



💡 Features & Benefits:



  • 🔥 OEM‑style replacement furnace flame sensor

  • ⚙️ Ensures proper flame detection for safe furnace operation

  • 🛡️ Helps prevent ignition failure and furnace lockout

  • 💪 Durable construction for long‑lasting performance

  • 📦 Condition: Brand New – Unused



🔁 Replaces Part Numbers:



R44745‑001

Direct replacement for Lennox® 98M87 and Armstrong® R44745‑001 flame sensors.



✅ Fits Furnace Models:



Compatible with select Lennox® and Armstrong® furnaces using flame sensor 98M87 or R44745‑001.

Please verify your model number before ordering.



🔧 Common Fixes:



  • ❌ Furnace starts then shuts down after a few seconds

  • ⚠️ Ignition failure or intermittent heating

  • 🔁 Replacing a dirty, corroded, or unresponsive flame sensor

  • 🚫 Furnace lockout due to flame not being detected



🛠️ Installation Tips:



  • 🔌 Turn off furnace power before servicing

  • 📍 Locate flame sensor near the burner assembly

  • 🧽 Clean mounting area and ensure proper alignment

  • 🔗 Transfer wiring carefully to avoid misconnection

  • 🧪 Test furnace ignition cycle after installation



Restore dependable furnace ignition and smooth heating performance with this OEM‑fit flame sensor replacement.






Flame Sensor fits Lennox Furnace, R44745-001, 98M87

$14.74

🔥 Furnace Flame Sensor | Replaces Lennox® 98M87 & Armstrong® R44745‑001

Restore safe and reliable furnace operation with this brand‑new Exact Replacement Parts flame sensor. Designed as a direct replacement for Lennox® part 98M87 and Armstrong® part R44745‑001, this sensor detects burner flame presence and ensures proper ignition control. A failing flame sensor can cause short‑cycling, ignition failure, or complete furnace shutdown — replacing it restores dependable heating performance.

💡 Features & Benefits:

  • 🔥 OEM‑style replacement furnace flame sensor
  • ⚙️ Ensures proper flame detection for safe furnace operation
  • 🛡️ Helps prevent ignition failure and furnace lockout
  • 💪 Durable construction for long‑lasting performance
  • 📦 Condition: Brand New – Unused

🔁 Replaces Part Numbers:

R44745‑001
Direct replacement for Lennox® 98M87 and Armstrong® R44745‑001 flame sensors.

✅ Fits Furnace Models:

Compatible with select Lennox® and Armstrong® furnaces using flame sensor 98M87 or R44745‑001.
Please verify your model number before ordering.

🔧 Common Fixes:

  • ❌ Furnace starts then shuts down after a few seconds
  • ⚠️ Ignition failure or intermittent heating
  • 🔁 Replacing a dirty, corroded, or unresponsive flame sensor
  • 🚫 Furnace lockout due to flame not being detected

🛠️ Installation Tips:

  • 🔌 Turn off furnace power before servicing
  • 📍 Locate flame sensor near the burner assembly
  • 🧽 Clean mounting area and ensure proper alignment
  • 🔗 Transfer wiring carefully to avoid misconnection
  • 🧪 Test furnace ignition cycle after installation

Restore dependable furnace ignition and smooth heating performance with this OEM‑fit flame sensor replacement.

Product Details

Replaces part numbers:
Fits Models: