This is the OEM conversion kit to convert S87A Honeywell to a Fenwal as per factory OEM specs.
Includes Spark Module Fenwall #35605950-015 (Three-Try) (N5A and L5A)
Includes Fenwal Module #35605950-015 (Three-Try) (N5A,B, C and L5A, B, C) & all components neccessary to convert.