This modification will void the Boss warrantee.

We will warrantee the kill switch.

The kill switch does not make the pedal less reliable and cannot damage the chips.

But if the delay dies, the digital chips cannot be changed and a new board usually needs to be installed. This costs much more than we charge for the mod so we can't install a new board at no charge if your delay dies. You will have to pay to have someone repair it (I will refer you to our repairman in TX).

So be careful and only use a known good 9Vdc power supply so as not to damagel this pedal.