Splitting a List into different rows

Splitting a List into different rows

I am getting a List from a for each loop.  But I can't figure out how to separate each item that is separated by a comma.

Example  
Zone 1 - Front Door,Zone 2 - Rear Door,Zone 3 - Side Door

I need it too look like this:
Zone 1 - Front Door
Zone 2 - Rear Door
Zone 3 - Side Door

Ive tried to use replace.All(",","/n")  But that doesn't work I get   Zone 1 - Front Door/nZone 2 - Rear Door/nZone 3 - Side Door

What am I missing?

Thanks