Laars Heating Systems 2400-286 Hot Surface Ignitor 321042-401 verifying the MFD rating of

verifying the MFD rating of your existing Lennox HVAC capacitor is critical

utilizing the same physical footprint for easy retrofitting

and extending the operational lifespan of the blower motor

you should always verify the specific part number in the manufacturer's parts list for your exact BTU rating and serial number

most LP conversions for these heaters require adjusting the regulator to roughly 10" W

Laars Heating Systems 2400-286 Hot Surface Ignitor 321042-401 verifying the MFD rating ofThe 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