GD-800 Chinese control used on many tubs including DanZ Atlantic, Sunset, Moonlight & Niagara spas.
This is the processor board that goes in the smaller of the grey box's.
PLEASE NOTE: to install this you will have to un-solder the old transformer, then re-solder onto new board.
Due to the nature of fitting a circuit board we do not accept returns on such. All boards have been tested prior to shipping.
