Replizo Q3400A1024/U Igniter — Honeywell Furnace Replacement, 24V Silicon Nitride

Upgraded ignition for compatible Honeywell systems

The Replizo Q3400A1024/U igniter replaces a wide range of Honeywell furnace models with a premium silicon nitride igniter and a precise flame rod assembly. Expect rapid ignition in about 2.5–3 seconds and a warm, steady start to your heating cycle, with temperatures climbing toward 1800°F when called for. Designed to run on 24 VAC and drawing 0.98–1.4 amps, this module includes high‑temperature insulated wiring for safer, longer life. It supports both Natural Gas and LP configurations, making it a versatile solution for many homes.

Key benefits at a glance

• Fast, reliable ignition within a few seconds, helping heat come on quickly when you need it.
• High‑temperature performance with a silicon nitride igniter plus a precision flame rod assembly.
• 24 VAC operation and moderate current draw suit common residential furnace circuits.
• Insulated wiring built for durability in demanding furnace environments.
• Direct replacement for a long list of Honeywell models, reducing guesswork during service.

Compatibility and versatility

• Broad coverage across Honeywell models and Armstrong units beginning with UJ, GUK, GCK, GCJ, GHJ, and more.
• Works with a variety of furnaces, boilers, water heaters, unit heaters, and pool heaters when used as a complete ignition solution.
• Designed to match original specifications for smooth, dependable operation.

Durability and reliability

Built to withstand regular furnace cycling and the heat of ignition sequences, the Q3400A1024/U is engineered to reduce common ignition faults and maintain stable temperature control across seasons. While it’s not a medical device, its sturdy construction supports long‑term performance in typical home heating systems.

Hassle-free installation

Replacing your old igniter is straightforward. Remove the existing unit, connect the wires to the new one, and secure firmly. Always disconnect power before servicing, and contact us if you need guidance during setup.

What you get

This package provides a complete replacement solution, designed for quick, in‑place installation and reliable operation with compatible Honeywell systems.