White-Rodgers 21D64-44 Hot Surface Ignitor Kit

Hotrod Ex Universal 120v Flat Silicon Nitride Hot Surface Ignitor Kit delivers reliable ignition for your furnace. Designed for conversion of Silicon Carbide (flat or Spiral) and compatible with White-Rodgers 21D64-44 units, this kit includes everything you need for a clean, dependable install.

The kit features a 120V hot surface igniter made from durable silicon nitride for fast startup and long life. It comes with 2 universal brackets, an instruction booklet, a furnace label, 2 ceramic wire nuts, and a 5-year warranty for peace of mind. Perfect for silicon carbide conversions, whether you’re using flat or spiral configurations.

• 120V operation ensures quick, reliable firing in standard furnaces
• Flat silicon nitride hot surface for consistent ignition and durability
• Silicon carbide conversion ready compatible with flat or spiral setups
• Includes essential hardware 2 universal brackets, instruction booklet, furnace label, and 2 ceramic wire nuts
• 5-year warranty provides long-term protection