Product review (1 stars): Make sure you tighten it thoroughly and check often  or you might come home to burning plastic!
Not sure what happened but I came home from work and thought my place was on fire and all I could smell was  burning plastic. After frantically searching I opened up my dishwasher to find the arm came unattached and was melted in 3 pieces and not sure now if I need a new heating ring. This seems to be the same model number from other web sites but at a better price by a few dollars and since I pay a crazy amount fo Amazon Prime want to use it as much as I can to save on shipping to pay for the cost.  I will make sure it is super tight this time as never had this problem before. Would be nice to get a refund since I have to buy another one. Would be more than happy to return the previous one so they can check the malfunction out. Would have given a 5 star but after what happened give it a 2 and now will never leave my house while I run the dishwasher again.