i have purchaed a tub and shower do it your self installation kit at home depot ; which i am fully satitified with home depot, for $98.78. the problem is these knobs keep breaking so i have to keep replaceing them every 6 months or so. there are three knobs in the kit and i have replce everyone and one one of them twice. i have tried to contact them but the number on the web site (which is on the box) takes me to a sales department that has no clue who to ontact or how to help and tell me to cntcat danco company direct but they dont give me a... read full review »