Description
Norcold DC Power Board 639577 (fits the 3 way N7/ N8 models)
This is the small 3 way board that sits next to your power board 639593. It works on all N7/ NA7 and N8/ NA8 models with 3way function. If there is a "3" at the end of your model number, this is the board you need to hook up your DC heating element.
