Product review (5 stars): Helped reduce solenoid noise
My Samsung refrigerator kept making a horrible banging noise while it was dispensing water for the icemaker and for plain old water. I thought this might help since it was similar to water hammer. As it turned out, this helped just a little bit, but the bigger issue was that I needed to replace my fridge water filter. (The banging noise happened while dispensing water - a key distinction) Now that I've replaced the water filter and have this little guy on my water line, the fridge is nice and quiet.

Installation was quick and easy. The kit comes with couplers for either copper tubing or plastic tubing. I needed two wrenches to get my old fittings loose.