MARS 67900 SOS Universal Hot Surface Ignitor HSI Replaces 41-1090 IG402K IG403K SIG1100 Type UNIVERSAL Silicone HSI Igniter Voltage 115V Length Inches 14 inch leads Gas Type Natural Gas Includes 3 Brkts sleeving scrw wirenuts Specially designed kit for the replacement of 120 volt igniters in furnaces, boilers, space heaters, and water heaters. Features & Benefits: Includes hardware and installation instructions for replacement of flat and spiral hot surface igniters Convenient X-reference list included with every kit Designed to reach ignition temperature in 17 seconds making kit compatible with 17, 34, and 45 second warm up modules CSA Approved Replaces: Robertshaw 41-1090, Supco IG402K, IG403K, SIG1100