New – Old Stock (NOS)
New, unused igniter in original box.
Box shows storage wear.
See photos for exact condition.

Description
Genuine Allied / Lennox hot surface igniter, part number R100997‑02, designed for gas furnaces using HSI ignition systems.

This is a direct replacement ignitor used in many Allied, Lennox, and Armstrong heating units.

✔ New old stock
✔ Never installed
✔ Factory wiring connector
✔ OEM quality
✔ Ceramic base & metal probe

Used in residential and light commercial gas furnaces.

Specifications
Brand: Allied / Lennox

Part Number: R100997‑02

Type: Hot Surface Igniter (HSI)

Voltage: 120V (typical for HSI systems)

Application: Gas furnaces

Connector: 2‑pin plug

What’s Included
✔ Hot surface igniter
✔ Original box

Everything shown is included.

⚠️ Important Notes
Box shows age/wear

Igniter is fragile — handle carefully

Not field tested (unused)

Buyer must verify compatibility

Professional installation recommended

Sold as‑is