100092683 Lochinvar & A.O. Smith Igniter 

Restore dependable, efficient heating to your gas-fired equipment with the Lochinvar & A.O. Smith 100092683 Hot Surface Igniter. This premium, factory-authorized OEM replacement part is engineered to deliver rapid heat-up times and precise electrical resistance, ensuring consistent fuel combustion without the risk of delayed ignition.

Built to withstand heavy thermal stress and frequent cycling, this high-performance Norton silicon carbide igniter is a direct fix for common heating system issues, including ignition lockouts, "flame fail" errors, and "no heat" service calls.

Key Features & Specifications

• Brand: Lochinvar / A.O. Smith (Genuine OEM)

• Part Number: 100092683 (Replaces obsolete part number: 63994SP)

• Type: Norton Hot Surface Igniter (HSI)

• Voltage: 120V

• Equipment Compatibility: Designed for high-efficiency residential and commercial gas water heaters, boilers, and FVIR systems (including the popular JW402NVH series).

• Plug-and-Play Setup: Comes complete with standard lead wires and a secure connector for a fast, hassle-free replacement.

Why Choose This Genuine OEM Igniter?

Unlike universal aftermarket alternatives, this factory part matches your system’s exact mounting footprint and voltage specifications. It prevents unburned gas accumulation, optimizes burner efficiency, and protects your equipment warranty.

⚠️ Installation Pro-Tip: Never touch the black ceramic element of the new igniter with your bare hands. Skin oils can create microscopic hot spots that cause the element to crack and fail prematurely. Always handle the part by its white ceramic base or plastic harness.