LB White ignition control module for all Guardian direct spark ignition (DSI) forced air furnace heaters (Propane & Natural Gas).

Replacement for L.B. White part numbers:

• 524900
• 22461
• 24900.

Compatable with L.B. White Guardian heater models:  AD060,  AD100,  AD250

* This unit is to be used with L.B. White heaters only. *