After my wife brought home a used whirlpool washing machine, it started with the F20 code after about 10 minutes into the cycle. I did research (mostly on YouTube videos) about the F 20 code and came to my own conclusion that the water inlet valve needed to be replaced. I found the correct valve on appliancepartspros.com and ordered it on a Tuesday morning. The valve was on my front porch Wednesday afternoon! These guys are literally faster than Amazon prime!
Using some simple hand tools I replaced the valve in less than 30 minutes time. We've done about eight loads of laundry since then, and it works great! Thanks appliancepartspros.com. Your fast service and correct part probably saved me a couple hundred bucks!
Brian, Austin, Texas