How do I replace a string with a newline using a bash script and sed?

Question

I have the following input:

Value1|Value2|Value3|Value4@@ Value5|Value6|Value7|Value8@@ Value9|etc...

In my bash script I would like to replace

Answer 1

Finally got it working with:

sed 's/@@ /'\\\n'/g'

Adding the single quotes around \\n seemed to help for whatever reason