Product review (5 stars): Fixed my problem: dryer won't start - control board failure
After following the troubleshooting guide located inside my whirlpool duet dryer (be sure to follow the instructions in order, it is pretty simple if you have a multimeter and a screwdriver), I found the control board was dead. I wasn't happy spending $200+ on something I wasn't entirely sure would work, but I fugured I could return it if it didn't work.

I received the part a couple days after ordering and went to install it. It took maybe 15 minutes total. When I pulled the old board out, I saw the failure immediately: a giant black spot on the back of the old circuit board where a relay decided to destroy itself. All the uncertainty of buying a new control board was validated.

The dryer? It's been running great the last three months since the replacement.