Universal Hot Surface Furnace Nitride Igniter Kit, FC047, 632504, 903110A

Furnace Hot Surface Igniter | OEM‑Compatible | Replaces 903110A / 632504

This brand‑new Universal Furnace Ignitor replaces Nor-dyne® part numbers 903110A, 903110, 632504, 632313, 632313C, and FC047. Designed as a round silicon nitride igniter kit, it restores reliable furnace ignition performance with fast warm‑up time and long‑lasting durability. A failing igniter often causes furnace lockouts, no‑heat conditions, or intermittent ignition—this OEM‑style replacement solves those issues with a direct‑fit design.

Each igniter undergoes multi‑stage durability testing and exceeds OEM quality standards. Includes a 1.25" ceramic insulator (M6 screws), a 1.95" nitrided ceramic heating element, and a 9.1" high‑temperature lead wire (20 AWG). Rated for 115V ±10%–15% (98V–127V) with a maximum operating temperature of 1200°C.

⚙️ Product Features

• OEM‑compatible replacement for 903110A / 632504 igniters
• Round silicon nitride element for superior durability
• Fast warm‑up — reaches 1200°C in ~12 seconds at 115V
• High‑temperature construction for long service life
• Includes insulator, element, and high‑temp wiring
• Electrical Specs: 115V ±10%–15%
• Cold Resistance: 8–16Ω
• Peak Temperature: ≥1180°C
• Condition: Brand New – Unused

Replaces Part Numbers

632313, 632313C, 903110, 903110A, 632504, FC047

Fits Nor‑dyne® Furnace Models

M1MB090, M1MC056, M1MC070, M1MC077, M1MC090, M1MD056, M1MD070, M1MD077, M1MD090, M1MA056, M1MA070, M1MB056, M1MB070, M1MB077, etc.

Common Fixes

• Furnace not igniting
• Intermittent ignition or furnace lockout
• No‑heat condition
• Igniter cracked, burnt, or not glowing
• Furnace cycles but fails to light

️ Installation Tips

• Disconnect power before servicing the furnace
• Handle igniter carefully — silicon nitride is fragile
• Avoid touching the heating element with bare hands
• Transfer wires one at a time to avoid mis‑wiring
• Verify proper mounting alignment before powering on

This OEM‑compatible hot surface igniter restores fast, reliable furnace ignition—an exact fit for the Nor‑dyne® models listed above.