Laars Heating Systems 2400-286 Hot Surface Ignitor 318518-761 Unlike standard switches

Unlike standard switches

Designed specifically for compatibility with high-efficiency condensing gas furnaces

making it the preferred choice for professional mechanical contractors performing emergency repairs or scheduled maintenance

Common Questions Is this gas valve compatible with LP (Propane) systems

If the diagnostic fault is caused by a cracked housing

Laars Heating Systems 2400-286 Hot Surface Ignitor 318518-761 Unlike standard switchesThe Laars Heating Systems 2400 286 Hot Surface Ignitor with Gasket is a critical OEM replacement component engineered for high performance ignition in Laars Pennant, HWG, and CB series boilers. This hot surface ignitor (HSI) serves a dual purpose in the combustion cycle: it provides a reliable heat source to initiate the burner and subsequently functions as a flame sensor for the integrated boiler control. Designed as a "new style" upgrade, the Laars