Ann M Center Valley , PA November 07, 2016 Needed a newknob for rinse agent the other one came loose and landed on the heating coil and got partially melted Not a problem, just opened the package and screwed the new one in. Thank you for your superb service. This is my 2nd purchase and you are the absolute best. Wonderful inventory and super fast delivery. You are on my favorites list. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes