This water heater modul board fits the SW series water heaters aboce serial number 953900766.
Simple instalation, perfect replacement for damaged original module boards.

Fits the Following models:
SW4D, SW6D, SW6DE, SW6DEL, SW6DEM, SW6DM
SW10D, SW10DE, SW10DEL, SW10DEM, SW10DM
SW12D, SW12DE, SW12DEL, SW12DM
SW16D, SW16DE, SW16DEL, SW16DEM

I will ship promptly!