I purchased this on Feb. 16, 2018. And had it professionally installed within the week. Not even a year later it is nearly unusable and I have to replace it. It was always bad, being nearly impossible to set a temperature on. The center has almost a click that is either too warm or too cold when you try to adjust temp. It's always been difficult to completely turn off and the handle must be in the "sweet spot" to stop the drip. This last few days it's developed a "rachet" movement in the handle, adjusting by jumps and making a creaking sound. (I wish I could attach a video with sound.) I tried WD40 on it to no avail. It's an expensive piece of junk. I'm looking forward to being able to take it to the dump and throw it as far as I can. I will NEVER buy another Delta product. This has really soured me to the brand.