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

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.