Robertshaw 41-603 Furnace Hot Surface Mini-Igniter

The Furnace Hot Surface Mini-Igniter is a compact, dependable ignition solution for your furnace and heating system. The Robertshaw 41-603 model delivers reliable ignition performance when called upon.

Designed for standard furnace installations, this hot surface igniter features a 2.5-inch base and operates on 120V AC to provide fast, consistent glow. Built with a non-porous material, it resists moisture and wear for long-lasting service in harsh environments of heating equipment. With a compact footprint and alignment-friendly design, it minimizes installation space and helps installers position the igniter quickly and accurately.

Ideal for residential and light commercial heating systems, the igniter provides fast, reliable starts as part of a typical furnace ignition sequence. The 120V AC supply pairs with standard control boards, relays, and safety circuits, making it an easy replacement part for compatible Robertshaw and other furnace brands. Its non-porous construction minimizes moisture ingress and helps extend service life in challenging HVAC environments.

• Product type: Hot Surface Mini-Igniter
• Applications: Used On Furnace, Heating System
• Base size: 2.5 Inch
• Voltage: 120 Volt AC
• Material: Non-Porous
• Model: Robertshaw 41-603