Supco IG409 Hot Surface Furnace Igniter Silicon Carbide

The Supco IG409 is a high-quality hot surface igniter designed for reliable ignition in residential and commercial heating systems. This exact replacement silicon carbide flat igniter delivers superior performance in furnaces, boilers, unit heaters, and water heaters operating on natural gas or LP fuel.

Key Features:

• Silicon carbide construction for enhanced durability and oxidation resistance
• 18-gauge copper high-temperature fiberglass insulated lead wires for reliable electrical connections
• Cold resistance: 40-100 Ohms at 75°F (±10°F)
• Fast response time: reaches 1800°F in under 17 seconds at 102 VAC
• Operates on 120 VAC with 3.5-5 amps maximum at 132 VAC
• Lower power consumption compared to standard igniters
• Flat design for easy installation and secure mounting

Direct Replacement For: Robertshaw 41-409, Carrier LH33ZS001/LH33ZS002/LH33ZS003/LH33ZS004, White-Rodgers 767A-370, Norton 201/271/MB457555, Johnstone L37-816/L45-546, Ducane 20015201, Rheem 90-4343-00, Trane B138196P01/IGN26/IGN30, and many other OEM part numbers.

Supco's silicon carbide igniters are engineered for faster temperature response, stronger construction, and longer service life than conventional igniters, making them an ideal choice for HVAC professionals and homeowners seeking dependable heating system performance.