Timer ( PWA ) - Circuit Board 7331818 for Morton System Saver ( various models, so please check your Service Manual for the correct PN ).
Should work with models, M20, M27, M30, and MC30
If you have the M34 model, that uses a different PWA board ( 7331834 )
See Service Manual here.NOTE: If you are getting Error codes,
Error Codes Sears, GE, NorthStar Timers